15951000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 128

約数和(自身を含む): 53726400

約数和(自身を除く): 37775400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 125, 130, 150, 156, 195, 200, 250, 260, 300, 312, 325, 375, 390, 409, 500, 520, 600, 650, 750, 780, 818, 975, 1000, 1227, 1300, 1500, 1560, 1625, 1636, 1950, 2045, 2454, 2600, 3000, 3250, 3272, 3900, 4090, 4875, 4908, 5317, 6135, 6500, 7800, 8180, 9750, 9816, 10225, 10634, 12270, 13000, 15951, 16360, 19500, 20450, 21268, 24540, 26585, 30675, 31902, 39000, 40900, 42536, 49080, 51125, 53170, 61350, 63804, 79755, 81800, 102250, 106340, 122700, 127608, 132925, 153375, 159510, 204500, 212680, 245400, 265850, 306750, 319020, 398775, 409000, 531700, 613500, 638040, 664625, 797550, 1063400, 1227000, 1329250, 1595100, 1993875, 2658500, 3190200, 3987750, 5317000, 7975500, 15951000]

約数ペア:

[(1, 15951000), (2, 7975500), (3, 5317000), (4, 3987750), (5, 3190200), (6, 2658500), (8, 1993875), (10, 1595100), (12, 1329250), (13, 1227000), (15, 1063400), (20, 797550), (24, 664625), (25, 638040), (26, 613500), (30, 531700), (39, 409000), (40, 398775), (50, 319020), (52, 306750), (60, 265850), (65, 245400), (75, 212680), (78, 204500), (100, 159510), (104, 153375), (120, 132925), (125, 127608), (130, 122700), (150, 106340), (156, 102250), (195, 81800), (200, 79755), (250, 63804), (260, 61350), (300, 53170), (312, 51125), (325, 49080), (375, 42536), (390, 40900), (409, 39000), (500, 31902), (520, 30675), (600, 26585), (650, 24540), (750, 21268), (780, 20450), (818, 19500), (975, 16360), (1000, 15951), (1227, 13000), (1300, 12270), (1500, 10634), (1560, 10225), (1625, 9816), (1636, 9750), (1950, 8180), (2045, 7800), (2454, 6500), (2600, 6135), (3000, 5317), (3250, 4908), (3272, 4875), (3900, 4090)]