80807760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:231

約数の個数: 320

約数和(自身を含む): 321408000

約数和(自身を除く): 240600240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 48, 54, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 108, 110, 114, 120, 132, 135, 144, 152, 165, 171, 176, 179, 180, 190, 198, 209, 216, 220, 228, 240, 264, 270, 285, 297, 304, 330, 342, 358, 360, 380, 396, 418, 432, 440, 456, 495, 513, 528, 537, 540, 570, 594, 627, 660, 684, 716, 720, 760, 792, 836, 855, 880, 895, 912, 990, 1026, 1045, 1074, 1080, 1140, 1188, 1254, 1320, 1368, 1432, 1485, 1520, 1584, 1611, 1672, 1710, 1790, 1881, 1969, 1980, 2052, 2090, 2148, 2160, 2280, 2376, 2508, 2565, 2640, 2685, 2736, 2864, 2970, 3135, 3222, 3344, 3401, 3420, 3580, 3762, 3938, 3960, 4104, 4180, 4296, 4560, 4752, 4833, 5016, 5130, 5370, 5643, 5907, 5940, 6270, 6444, 6802, 6840, 7160, 7524, 7876, 7920, 8055, 8208, 8360, 8592, 9405, 9666, 9845, 10032, 10203, 10260, 10740, 11286, 11814, 11880, 12540, 12888, 13604, 13680, 14320, 15048, 15752, 16110, 16720, 17005, 17721, 18810, 19332, 19690, 20406, 20520, 21480, 22572, 23628, 23760, 24165, 25080, 25776, 27208, 28215, 29535, 30096, 30609, 31504, 32220, 34010, 35442, 37411, 37620, 38664, 39380, 40812, 41040, 42960, 45144, 47256, 48330, 50160, 51015, 53163, 54416, 56430, 59070, 61218, 64440, 68020, 70884, 74822, 75240, 77328, 78760, 81624, 88605, 90288, 91827, 94512, 96660, 102030, 106326, 112233, 112860, 118140, 122436, 128880, 136040, 141768, 149644, 150480, 153045, 157520, 163248, 177210, 183654, 187055, 193320, 204060, 212652, 224466, 225720, 236280, 244872, 265815, 272080, 283536, 299288, 306090, 336699, 354420, 367308, 374110, 386640, 408120, 425304, 448932, 451440, 459135, 472560, 489744, 531630, 561165, 598576, 612180, 673398, 708840, 734616, 748220, 816240, 850608, 897864, 918270, 1010097, 1063260, 1122330, 1224360, 1346796, 1417680, 1469232, 1496440, 1683495, 1795728, 1836540, 2020194, 2126520, 2244660, 2448720, 2693592, 2992880, 3366990, 3673080, 4040388, 4253040, 4489320, 5050485, 5387184, 6733980, 7346160, 8080776, 8978640, 10100970, 13467960, 16161552, 20201940, 26935920, 40403880, 80807760]

約数ペア:

[(1, 80807760), (2, 40403880), (3, 26935920), (4, 20201940), (5, 16161552), (6, 13467960), (8, 10100970), (9, 8978640), (10, 8080776), (11, 7346160), (12, 6733980), (15, 5387184), (16, 5050485), (18, 4489320), (19, 4253040), (20, 4040388), (22, 3673080), (24, 3366990), (27, 2992880), (30, 2693592), (33, 2448720), (36, 2244660), (38, 2126520), (40, 2020194), (44, 1836540), (45, 1795728), (48, 1683495), (54, 1496440), (55, 1469232), (57, 1417680), (60, 1346796), (66, 1224360), (72, 1122330), (76, 1063260), (80, 1010097), (88, 918270), (90, 897864), (95, 850608), (99, 816240), (108, 748220), (110, 734616), (114, 708840), (120, 673398), (132, 612180), (135, 598576), (144, 561165), (152, 531630), (165, 489744), (171, 472560), (176, 459135), (179, 451440), (180, 448932), (190, 425304), (198, 408120), (209, 386640), (216, 374110), (220, 367308), (228, 354420), (240, 336699), (264, 306090), (270, 299288), (285, 283536), (297, 272080), (304, 265815), (330, 244872), (342, 236280), (358, 225720), (360, 224466), (380, 212652), (396, 204060), (418, 193320), (432, 187055), (440, 183654), (456, 177210), (495, 163248), (513, 157520), (528, 153045), (537, 150480), (540, 149644), (570, 141768), (594, 136040), (627, 128880), (660, 122436), (684, 118140), (716, 112860), (720, 112233), (760, 106326), (792, 102030), (836, 96660), (855, 94512), (880, 91827), (895, 90288), (912, 88605), (990, 81624), (1026, 78760), (1045, 77328), (1074, 75240), (1080, 74822), (1140, 70884), (1188, 68020), (1254, 64440), (1320, 61218), (1368, 59070), (1432, 56430), (1485, 54416), (1520, 53163), (1584, 51015), (1611, 50160), (1672, 48330), (1710, 47256), (1790, 45144), (1881, 42960), (1969, 41040), (1980, 40812), (2052, 39380), (2090, 38664), (2148, 37620), (2160, 37411), (2280, 35442), (2376, 34010), (2508, 32220), (2565, 31504), (2640, 30609), (2685, 30096), (2736, 29535), (2864, 28215), (2970, 27208), (3135, 25776), (3222, 25080), (3344, 24165), (3401, 23760), (3420, 23628), (3580, 22572), (3762, 21480), (3938, 20520), (3960, 20406), (4104, 19690), (4180, 19332), (4296, 18810), (4560, 17721), (4752, 17005), (4833, 16720), (5016, 16110), (5130, 15752), (5370, 15048), (5643, 14320), (5907, 13680), (5940, 13604), (6270, 12888), (6444, 12540), (6802, 11880), (6840, 11814), (7160, 11286), (7524, 10740), (7876, 10260), (7920, 10203), (8055, 10032), (8208, 9845), (8360, 9666), (8592, 9405)]