718465720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3847}}^1$

素因数の和:3917

約数の個数: 128

約数和(自身を含む): 1994803200

約数和(自身を除く): 1276337480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 92, 115, 116, 140, 145, 161, 184, 203, 230, 232, 280, 290, 322, 406, 460, 580, 644, 667, 805, 812, 920, 1015, 1160, 1288, 1334, 1610, 1624, 2030, 2668, 3220, 3335, 3847, 4060, 4669, 5336, 6440, 6670, 7694, 8120, 9338, 13340, 15388, 18676, 19235, 23345, 26680, 26929, 30776, 37352, 38470, 46690, 53858, 76940, 88481, 93380, 107716, 111563, 134645, 153880, 176962, 186760, 215432, 223126, 269290, 353924, 442405, 446252, 538580, 557815, 619367, 707848, 780941, 884810, 892504, 1077160, 1115630, 1238734, 1561882, 1769620, 2231260, 2477468, 2565949, 3096835, 3123764, 3539240, 3904705, 4462520, 4954936, 5131898, 6193670, 6247528, 7809410, 10263796, 12387340, 12829745, 15618820, 17961643, 20527592, 24774680, 25659490, 31237640, 35923286, 51318980, 71846572, 89808215, 102637960, 143693144, 179616430, 359232860, 718465720]

約数ペア:

[(1, 718465720), (2, 359232860), (4, 179616430), (5, 143693144), (7, 102637960), (8, 89808215), (10, 71846572), (14, 51318980), (20, 35923286), (23, 31237640), (28, 25659490), (29, 24774680), (35, 20527592), (40, 17961643), (46, 15618820), (56, 12829745), (58, 12387340), (70, 10263796), (92, 7809410), (115, 6247528), (116, 6193670), (140, 5131898), (145, 4954936), (161, 4462520), (184, 3904705), (203, 3539240), (230, 3123764), (232, 3096835), (280, 2565949), (290, 2477468), (322, 2231260), (406, 1769620), (460, 1561882), (580, 1238734), (644, 1115630), (667, 1077160), (805, 892504), (812, 884810), (920, 780941), (1015, 707848), (1160, 619367), (1288, 557815), (1334, 538580), (1610, 446252), (1624, 442405), (2030, 353924), (2668, 269290), (3220, 223126), (3335, 215432), (3847, 186760), (4060, 176962), (4669, 153880), (5336, 134645), (6440, 111563), (6670, 107716), (7694, 93380), (8120, 88481), (9338, 76940), (13340, 53858), (15388, 46690), (18676, 38470), (19235, 37352), (23345, 30776), (26680, 26929)]