72719240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 190512000

約数和(自身を除く): 117792760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 41, 44, 55, 58, 82, 88, 110, 116, 139, 145, 164, 205, 220, 232, 278, 290, 319, 328, 410, 440, 451, 556, 580, 638, 695, 820, 902, 1112, 1160, 1189, 1276, 1390, 1529, 1595, 1640, 1804, 2255, 2378, 2552, 2780, 3058, 3190, 3608, 4031, 4510, 4756, 5560, 5699, 5945, 6116, 6380, 7645, 8062, 9020, 9512, 11398, 11890, 12232, 12760, 13079, 15290, 16124, 18040, 20155, 22796, 23780, 26158, 28495, 30580, 32248, 40310, 44341, 45592, 47560, 52316, 56990, 61160, 62689, 65395, 80620, 88682, 104632, 113980, 125378, 130790, 161240, 165271, 177364, 221705, 227960, 250756, 261580, 313445, 330542, 354728, 443410, 501512, 523160, 626890, 661084, 826355, 886820, 1253780, 1322168, 1652710, 1773640, 1817981, 2507560, 3305420, 3635962, 6610840, 7271924, 9089905, 14543848, 18179810, 36359620, 72719240]

約数ペア:

[(1, 72719240), (2, 36359620), (4, 18179810), (5, 14543848), (8, 9089905), (10, 7271924), (11, 6610840), (20, 3635962), (22, 3305420), (29, 2507560), (40, 1817981), (41, 1773640), (44, 1652710), (55, 1322168), (58, 1253780), (82, 886820), (88, 826355), (110, 661084), (116, 626890), (139, 523160), (145, 501512), (164, 443410), (205, 354728), (220, 330542), (232, 313445), (278, 261580), (290, 250756), (319, 227960), (328, 221705), (410, 177364), (440, 165271), (451, 161240), (556, 130790), (580, 125378), (638, 113980), (695, 104632), (820, 88682), (902, 80620), (1112, 65395), (1160, 62689), (1189, 61160), (1276, 56990), (1390, 52316), (1529, 47560), (1595, 45592), (1640, 44341), (1804, 40310), (2255, 32248), (2378, 30580), (2552, 28495), (2780, 26158), (3058, 23780), (3190, 22796), (3608, 20155), (4031, 18040), (4510, 16124), (4756, 15290), (5560, 13079), (5699, 12760), (5945, 12232), (6116, 11890), (6380, 11398), (7645, 9512), (8062, 9020)]