1213235920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:873

約数の個数: 160

約数和(自身を含む): 3200107680

約数和(自身を除く): 1986871760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 41, 52, 65, 74, 80, 82, 104, 130, 148, 164, 185, 205, 208, 260, 296, 328, 370, 410, 481, 520, 533, 592, 656, 740, 769, 820, 962, 1040, 1066, 1480, 1517, 1538, 1640, 1924, 2132, 2405, 2665, 2960, 3034, 3076, 3280, 3845, 3848, 4264, 4810, 5330, 6068, 6152, 7585, 7690, 7696, 8528, 9620, 9997, 10660, 12136, 12304, 15170, 15380, 19240, 19721, 19994, 21320, 24272, 28453, 30340, 30760, 31529, 38480, 39442, 39988, 42640, 49985, 56906, 60680, 61520, 63058, 78884, 79976, 98605, 99970, 113812, 121360, 126116, 142265, 157645, 157768, 159952, 197210, 199940, 227624, 252232, 284530, 315290, 315536, 369889, 394420, 399880, 409877, 455248, 504464, 569060, 630580, 739778, 788840, 799760, 819754, 1138120, 1166573, 1261160, 1479556, 1577680, 1639508, 1849445, 2049385, 2276240, 2333146, 2522320, 2959112, 3279016, 3698890, 4098770, 4666292, 5832865, 5918224, 6558032, 7397780, 8197540, 9332584, 11665730, 14795560, 15165449, 16395080, 18665168, 23331460, 29591120, 30330898, 32790160, 46662920, 60661796, 75827245, 93325840, 121323592, 151654490, 242647184, 303308980, 606617960, 1213235920]

約数ペア:

[(1, 1213235920), (2, 606617960), (4, 303308980), (5, 242647184), (8, 151654490), (10, 121323592), (13, 93325840), (16, 75827245), (20, 60661796), (26, 46662920), (37, 32790160), (40, 30330898), (41, 29591120), (52, 23331460), (65, 18665168), (74, 16395080), (80, 15165449), (82, 14795560), (104, 11665730), (130, 9332584), (148, 8197540), (164, 7397780), (185, 6558032), (205, 5918224), (208, 5832865), (260, 4666292), (296, 4098770), (328, 3698890), (370, 3279016), (410, 2959112), (481, 2522320), (520, 2333146), (533, 2276240), (592, 2049385), (656, 1849445), (740, 1639508), (769, 1577680), (820, 1479556), (962, 1261160), (1040, 1166573), (1066, 1138120), (1480, 819754), (1517, 799760), (1538, 788840), (1640, 739778), (1924, 630580), (2132, 569060), (2405, 504464), (2665, 455248), (2960, 409877), (3034, 399880), (3076, 394420), (3280, 369889), (3845, 315536), (3848, 315290), (4264, 284530), (4810, 252232), (5330, 227624), (6068, 199940), (6152, 197210), (7585, 159952), (7690, 157768), (7696, 157645), (8528, 142265), (9620, 126116), (9997, 121360), (10660, 113812), (12136, 99970), (12304, 98605), (15170, 79976), (15380, 78884), (19240, 63058), (19721, 61520), (19994, 60680), (21320, 56906), (24272, 49985), (28453, 42640), (30340, 39988), (30760, 39442), (31529, 38480)]