394545840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{126457}}^1$

素因数の和:126486

約数の個数: 80

約数和(自身を含む): 1317186528

約数和(自身を除く): 922640688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 126457, 252914, 379371, 505828, 632285, 758742, 1011656, 1264570, 1517484, 1643941, 1896855, 2023312, 2529140, 3034968, 3287882, 3793710, 4931823, 5058280, 6069936, 6575764, 7587420, 8219705, 9863646, 10116560, 13151528, 15174840, 16439410, 19727292, 24659115, 26303056, 30349680, 32878820, 39454584, 49318230, 65757640, 78909168, 98636460, 131515280, 197272920, 394545840]

約数ペア:

[(1, 394545840), (2, 197272920), (3, 131515280), (4, 98636460), (5, 78909168), (6, 65757640), (8, 49318230), (10, 39454584), (12, 32878820), (13, 30349680), (15, 26303056), (16, 24659115), (20, 19727292), (24, 16439410), (26, 15174840), (30, 13151528), (39, 10116560), (40, 9863646), (48, 8219705), (52, 7587420), (60, 6575764), (65, 6069936), (78, 5058280), (80, 4931823), (104, 3793710), (120, 3287882), (130, 3034968), (156, 2529140), (195, 2023312), (208, 1896855), (240, 1643941), (260, 1517484), (312, 1264570), (390, 1011656), (520, 758742), (624, 632285), (780, 505828), (1040, 379371), (1560, 252914), (3120, 126457)]