78424875

素因数分解:

$3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 152755200

約数和(自身を除く): 74330325

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 125, 135, 171, 225, 285, 375, 475, 513, 675, 855, 1125, 1223, 1425, 2375, 2565, 3375, 3669, 4275, 6115, 7125, 11007, 12825, 18345, 21375, 23237, 30575, 33021, 55035, 64125, 69711, 91725, 116185, 152875, 165105, 209133, 275175, 348555, 458625, 580925, 627399, 825525, 1045665, 1375875, 1742775, 2904625, 3136995, 4127625, 5228325, 8713875, 15684975, 26141625, 78424875]

約数ペア:

[(1, 78424875), (3, 26141625), (5, 15684975), (9, 8713875), (15, 5228325), (19, 4127625), (25, 3136995), (27, 2904625), (45, 1742775), (57, 1375875), (75, 1045665), (95, 825525), (125, 627399), (135, 580925), (171, 458625), (225, 348555), (285, 275175), (375, 209133), (475, 165105), (513, 152875), (675, 116185), (855, 91725), (1125, 69711), (1223, 64125), (1425, 55035), (2375, 33021), (2565, 30575), (3375, 23237), (3669, 21375), (4275, 18345), (6115, 12825), (7125, 11007)]