81763080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 256

約数和(自身を含む): 304128000

約数和(自身を除く): 222364920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 47, 56, 57, 60, 70, 76, 84, 94, 95, 105, 109, 114, 120, 133, 140, 141, 152, 168, 188, 190, 210, 218, 228, 235, 266, 280, 282, 285, 327, 329, 376, 380, 399, 420, 436, 456, 470, 532, 545, 564, 570, 654, 658, 665, 705, 760, 763, 798, 840, 872, 893, 940, 987, 1064, 1090, 1128, 1140, 1308, 1316, 1330, 1410, 1526, 1596, 1635, 1645, 1786, 1880, 1974, 1995, 2071, 2180, 2280, 2289, 2616, 2632, 2660, 2679, 2820, 3052, 3192, 3270, 3290, 3572, 3815, 3948, 3990, 4142, 4360, 4465, 4578, 4935, 5123, 5320, 5358, 5640, 6104, 6213, 6251, 6540, 6580, 7144, 7630, 7896, 7980, 8284, 8930, 9156, 9870, 10246, 10355, 10716, 11445, 12426, 12502, 13080, 13160, 13395, 14497, 15260, 15369, 15960, 16568, 17860, 18312, 18753, 19740, 20492, 20710, 21432, 22890, 24852, 25004, 25615, 26790, 28994, 30520, 30738, 31065, 31255, 35720, 35861, 37506, 39480, 40984, 41420, 43491, 45780, 49704, 50008, 51230, 53580, 57988, 61476, 62130, 62510, 71722, 72485, 75012, 76845, 82840, 86982, 91560, 93765, 97337, 102460, 107160, 107583, 115976, 122952, 124260, 125020, 143444, 144970, 150024, 153690, 173964, 179305, 187530, 194674, 204920, 215166, 217455, 248520, 250040, 286888, 289940, 292011, 307380, 347928, 358610, 375060, 389348, 430332, 434910, 486685, 537915, 579880, 584022, 614760, 681359, 717220, 750120, 778696, 860664, 869820, 973370, 1075830, 1168044, 1362718, 1434440, 1460055, 1739640, 1946740, 2044077, 2151660, 2336088, 2725436, 2920110, 3406795, 3893480, 4088154, 4303320, 5450872, 5840220, 6813590, 8176308, 10220385, 11680440, 13627180, 16352616, 20440770, 27254360, 40881540, 81763080]

約数ペア:

[(1, 81763080), (2, 40881540), (3, 27254360), (4, 20440770), (5, 16352616), (6, 13627180), (7, 11680440), (8, 10220385), (10, 8176308), (12, 6813590), (14, 5840220), (15, 5450872), (19, 4303320), (20, 4088154), (21, 3893480), (24, 3406795), (28, 2920110), (30, 2725436), (35, 2336088), (38, 2151660), (40, 2044077), (42, 1946740), (47, 1739640), (56, 1460055), (57, 1434440), (60, 1362718), (70, 1168044), (76, 1075830), (84, 973370), (94, 869820), (95, 860664), (105, 778696), (109, 750120), (114, 717220), (120, 681359), (133, 614760), (140, 584022), (141, 579880), (152, 537915), (168, 486685), (188, 434910), (190, 430332), (210, 389348), (218, 375060), (228, 358610), (235, 347928), (266, 307380), (280, 292011), (282, 289940), (285, 286888), (327, 250040), (329, 248520), (376, 217455), (380, 215166), (399, 204920), (420, 194674), (436, 187530), (456, 179305), (470, 173964), (532, 153690), (545, 150024), (564, 144970), (570, 143444), (654, 125020), (658, 124260), (665, 122952), (705, 115976), (760, 107583), (763, 107160), (798, 102460), (840, 97337), (872, 93765), (893, 91560), (940, 86982), (987, 82840), (1064, 76845), (1090, 75012), (1128, 72485), (1140, 71722), (1308, 62510), (1316, 62130), (1330, 61476), (1410, 57988), (1526, 53580), (1596, 51230), (1635, 50008), (1645, 49704), (1786, 45780), (1880, 43491), (1974, 41420), (1995, 40984), (2071, 39480), (2180, 37506), (2280, 35861), (2289, 35720), (2616, 31255), (2632, 31065), (2660, 30738), (2679, 30520), (2820, 28994), (3052, 26790), (3192, 25615), (3270, 25004), (3290, 24852), (3572, 22890), (3815, 21432), (3948, 20710), (3990, 20492), (4142, 19740), (4360, 18753), (4465, 18312), (4578, 17860), (4935, 16568), (5123, 15960), (5320, 15369), (5358, 15260), (5640, 14497), (6104, 13395), (6213, 13160), (6251, 13080), (6540, 12502), (6580, 12426), (7144, 11445), (7630, 10716), (7896, 10355), (7980, 10246), (8284, 9870), (8930, 9156)]