261935520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:428

約数の個数: 384

約数和(自身を含む): 1085736960

約数和(自身を除く): 823801440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 30, 32, 33, 35, 38, 40, 42, 44, 48, 55, 56, 57, 60, 66, 70, 76, 77, 80, 84, 88, 95, 96, 105, 110, 112, 114, 120, 132, 133, 140, 152, 154, 160, 165, 168, 176, 190, 209, 210, 220, 224, 228, 231, 240, 264, 266, 280, 285, 304, 308, 330, 336, 352, 373, 380, 385, 399, 418, 420, 440, 456, 462, 480, 528, 532, 560, 570, 608, 616, 627, 660, 665, 672, 746, 760, 770, 798, 836, 840, 880, 912, 924, 1045, 1056, 1064, 1119, 1120, 1140, 1155, 1232, 1254, 1320, 1330, 1463, 1492, 1520, 1540, 1596, 1672, 1680, 1760, 1824, 1848, 1865, 1995, 2090, 2128, 2238, 2280, 2310, 2464, 2508, 2611, 2640, 2660, 2926, 2984, 3040, 3080, 3135, 3192, 3344, 3360, 3696, 3730, 3990, 4103, 4180, 4256, 4389, 4476, 4560, 4620, 5016, 5222, 5280, 5320, 5595, 5852, 5968, 6160, 6270, 6384, 6688, 7087, 7315, 7392, 7460, 7833, 7980, 8206, 8360, 8778, 8952, 9120, 9240, 10032, 10444, 10640, 11190, 11704, 11936, 12309, 12320, 12540, 12768, 13055, 14174, 14630, 14920, 15666, 15960, 16412, 16720, 17556, 17904, 18480, 20064, 20515, 20888, 21261, 21280, 21945, 22380, 23408, 24618, 25080, 26110, 28348, 28721, 29260, 29840, 31332, 31920, 32824, 33440, 35112, 35435, 35808, 36960, 39165, 41030, 41776, 42522, 43890, 44760, 46816, 49236, 49609, 50160, 52220, 56696, 57442, 58520, 59680, 61545, 62664, 63840, 65648, 70224, 70870, 77957, 78330, 82060, 83552, 85044, 86163, 87780, 89520, 98472, 99218, 100320, 104440, 106305, 113392, 114884, 117040, 123090, 125328, 131296, 140448, 141740, 143605, 148827, 155914, 156660, 164120, 170088, 172326, 175560, 179040, 196944, 198436, 208880, 212610, 226784, 229768, 233871, 234080, 246180, 248045, 250656, 283480, 287210, 297654, 311828, 313320, 328240, 340176, 344652, 351120, 389785, 393888, 396872, 417760, 425220, 430815, 459536, 467742, 492360, 496090, 545699, 566960, 574420, 595308, 623656, 626640, 656480, 680352, 689304, 702240, 744135, 779570, 793744, 850440, 861630, 919072, 935484, 984720, 992180, 1091398, 1133920, 1148840, 1169355, 1190616, 1247312, 1253280, 1378608, 1488270, 1559140, 1587488, 1637097, 1700880, 1723260, 1870968, 1969440, 1984360, 2182796, 2297680, 2338710, 2381232, 2494624, 2728495, 2757216, 2976540, 3118280, 3274194, 3401760, 3446520, 3741936, 3968720, 4365592, 4595360, 4677420, 4762464, 5456990, 5953080, 6236560, 6548388, 6893040, 7483872, 7937440, 8185485, 8731184, 9354840, 10913980, 11906160, 12473120, 13096776, 13786080, 16370970, 17462368, 18709680, 21827960, 23812320, 26193552, 32741940, 37419360, 43655920, 52387104, 65483880, 87311840, 130967760, 261935520]

約数ペア:

[(1, 261935520), (2, 130967760), (3, 87311840), (4, 65483880), (5, 52387104), (6, 43655920), (7, 37419360), (8, 32741940), (10, 26193552), (11, 23812320), (12, 21827960), (14, 18709680), (15, 17462368), (16, 16370970), (19, 13786080), (20, 13096776), (21, 12473120), (22, 11906160), (24, 10913980), (28, 9354840), (30, 8731184), (32, 8185485), (33, 7937440), (35, 7483872), (38, 6893040), (40, 6548388), (42, 6236560), (44, 5953080), (48, 5456990), (55, 4762464), (56, 4677420), (57, 4595360), (60, 4365592), (66, 3968720), (70, 3741936), (76, 3446520), (77, 3401760), (80, 3274194), (84, 3118280), (88, 2976540), (95, 2757216), (96, 2728495), (105, 2494624), (110, 2381232), (112, 2338710), (114, 2297680), (120, 2182796), (132, 1984360), (133, 1969440), (140, 1870968), (152, 1723260), (154, 1700880), (160, 1637097), (165, 1587488), (168, 1559140), (176, 1488270), (190, 1378608), (209, 1253280), (210, 1247312), (220, 1190616), (224, 1169355), (228, 1148840), (231, 1133920), (240, 1091398), (264, 992180), (266, 984720), (280, 935484), (285, 919072), (304, 861630), (308, 850440), (330, 793744), (336, 779570), (352, 744135), (373, 702240), (380, 689304), (385, 680352), (399, 656480), (418, 626640), (420, 623656), (440, 595308), (456, 574420), (462, 566960), (480, 545699), (528, 496090), (532, 492360), (560, 467742), (570, 459536), (608, 430815), (616, 425220), (627, 417760), (660, 396872), (665, 393888), (672, 389785), (746, 351120), (760, 344652), (770, 340176), (798, 328240), (836, 313320), (840, 311828), (880, 297654), (912, 287210), (924, 283480), (1045, 250656), (1056, 248045), (1064, 246180), (1119, 234080), (1120, 233871), (1140, 229768), (1155, 226784), (1232, 212610), (1254, 208880), (1320, 198436), (1330, 196944), (1463, 179040), (1492, 175560), (1520, 172326), (1540, 170088), (1596, 164120), (1672, 156660), (1680, 155914), (1760, 148827), (1824, 143605), (1848, 141740), (1865, 140448), (1995, 131296), (2090, 125328), (2128, 123090), (2238, 117040), (2280, 114884), (2310, 113392), (2464, 106305), (2508, 104440), (2611, 100320), (2640, 99218), (2660, 98472), (2926, 89520), (2984, 87780), (3040, 86163), (3080, 85044), (3135, 83552), (3192, 82060), (3344, 78330), (3360, 77957), (3696, 70870), (3730, 70224), (3990, 65648), (4103, 63840), (4180, 62664), (4256, 61545), (4389, 59680), (4476, 58520), (4560, 57442), (4620, 56696), (5016, 52220), (5222, 50160), (5280, 49609), (5320, 49236), (5595, 46816), (5852, 44760), (5968, 43890), (6160, 42522), (6270, 41776), (6384, 41030), (6688, 39165), (7087, 36960), (7315, 35808), (7392, 35435), (7460, 35112), (7833, 33440), (7980, 32824), (8206, 31920), (8360, 31332), (8778, 29840), (8952, 29260), (9120, 28721), (9240, 28348), (10032, 26110), (10444, 25080), (10640, 24618), (11190, 23408), (11704, 22380), (11936, 21945), (12309, 21280), (12320, 21261), (12540, 20888), (12768, 20515), (13055, 20064), (14174, 18480), (14630, 17904), (14920, 17556), (15666, 16720), (15960, 16412)]