665947880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 1739232000

約数和(自身を除く): 1073284120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 43, 52, 58, 65, 79, 86, 104, 116, 130, 145, 158, 169, 172, 215, 232, 260, 290, 316, 338, 344, 377, 395, 430, 520, 559, 580, 632, 676, 754, 790, 845, 860, 1027, 1118, 1160, 1247, 1352, 1508, 1580, 1690, 1720, 1885, 2054, 2236, 2291, 2494, 2795, 3016, 3160, 3380, 3397, 3770, 4108, 4472, 4582, 4901, 4988, 5135, 5590, 6235, 6760, 6794, 7267, 7540, 8216, 9164, 9802, 9976, 10270, 11180, 11455, 12470, 13351, 13588, 14534, 15080, 16211, 16985, 18328, 19604, 20540, 22360, 22910, 24505, 24940, 26702, 27176, 29068, 29783, 32422, 33970, 36335, 39208, 41080, 44161, 45820, 49010, 49880, 53404, 58136, 59566, 64844, 66755, 67940, 72670, 81055, 88322, 91640, 98020, 98513, 106808, 119132, 129688, 133510, 135880, 145340, 148915, 162110, 176644, 196040, 197026, 210743, 220805, 238264, 267020, 290680, 297830, 324220, 353288, 387179, 394052, 421486, 441610, 492565, 534040, 574093, 595660, 648440, 774358, 788104, 842972, 883220, 985130, 1053715, 1148186, 1191320, 1280669, 1548716, 1685944, 1766440, 1935895, 1970260, 2107430, 2296372, 2561338, 2870465, 3097432, 3871790, 3940520, 4214860, 4592744, 5122676, 5740930, 6403345, 7743580, 8429720, 10245352, 11481860, 12806690, 15487160, 16648697, 22963720, 25613380, 33297394, 51226760, 66594788, 83243485, 133189576, 166486970, 332973940, 665947880]

約数ペア:

[(1, 665947880), (2, 332973940), (4, 166486970), (5, 133189576), (8, 83243485), (10, 66594788), (13, 51226760), (20, 33297394), (26, 25613380), (29, 22963720), (40, 16648697), (43, 15487160), (52, 12806690), (58, 11481860), (65, 10245352), (79, 8429720), (86, 7743580), (104, 6403345), (116, 5740930), (130, 5122676), (145, 4592744), (158, 4214860), (169, 3940520), (172, 3871790), (215, 3097432), (232, 2870465), (260, 2561338), (290, 2296372), (316, 2107430), (338, 1970260), (344, 1935895), (377, 1766440), (395, 1685944), (430, 1548716), (520, 1280669), (559, 1191320), (580, 1148186), (632, 1053715), (676, 985130), (754, 883220), (790, 842972), (845, 788104), (860, 774358), (1027, 648440), (1118, 595660), (1160, 574093), (1247, 534040), (1352, 492565), (1508, 441610), (1580, 421486), (1690, 394052), (1720, 387179), (1885, 353288), (2054, 324220), (2236, 297830), (2291, 290680), (2494, 267020), (2795, 238264), (3016, 220805), (3160, 210743), (3380, 197026), (3397, 196040), (3770, 176644), (4108, 162110), (4472, 148915), (4582, 145340), (4901, 135880), (4988, 133510), (5135, 129688), (5590, 119132), (6235, 106808), (6760, 98513), (6794, 98020), (7267, 91640), (7540, 88322), (8216, 81055), (9164, 72670), (9802, 67940), (9976, 66755), (10270, 64844), (11180, 59566), (11455, 58136), (12470, 53404), (13351, 49880), (13588, 49010), (14534, 45820), (15080, 44161), (16211, 41080), (16985, 39208), (18328, 36335), (19604, 33970), (20540, 32422), (22360, 29783), (22910, 29068), (24505, 27176), (24940, 26702)]