128956890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1777}}^1$

素因数の和:1887

約数の個数: 64

約数和(自身を含む): 322600320

約数和(自身を除く): 193643430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 59, 82, 118, 123, 177, 205, 246, 295, 354, 410, 590, 615, 885, 1230, 1770, 1777, 2419, 3554, 4838, 5331, 7257, 8885, 10662, 12095, 14514, 17770, 24190, 26655, 36285, 53310, 72570, 72857, 104843, 145714, 209686, 218571, 314529, 364285, 437142, 524215, 629058, 728570, 1048430, 1092855, 1572645, 2185710, 3145290, 4298563, 8597126, 12895689, 21492815, 25791378, 42985630, 64478445, 128956890]

約数ペア:

[(1, 128956890), (2, 64478445), (3, 42985630), (5, 25791378), (6, 21492815), (10, 12895689), (15, 8597126), (30, 4298563), (41, 3145290), (59, 2185710), (82, 1572645), (118, 1092855), (123, 1048430), (177, 728570), (205, 629058), (246, 524215), (295, 437142), (354, 364285), (410, 314529), (590, 218571), (615, 209686), (885, 145714), (1230, 104843), (1770, 72857), (1777, 72570), (2419, 53310), (3554, 36285), (4838, 26655), (5331, 24190), (7257, 17770), (8885, 14514), (10662, 12095)]