81471000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2126

約数の個数: 128

約数和(自身を含む): 273873600

約数和(自身を除く): 192402600

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, 500, 520, 600, 650, 750, 780, 975, 1000, 1300, 1500, 1560, 1625, 1950, 2089, 2600, 3000, 3250, 3900, 4178, 4875, 6267, 6500, 7800, 8356, 9750, 10445, 12534, 13000, 16712, 19500, 20890, 25068, 27157, 31335, 39000, 41780, 50136, 52225, 54314, 62670, 81471, 83560, 104450, 108628, 125340, 135785, 156675, 162942, 208900, 217256, 250680, 261125, 271570, 313350, 325884, 407355, 417800, 522250, 543140, 626700, 651768, 678925, 783375, 814710, 1044500, 1086280, 1253400, 1357850, 1566750, 1629420, 2036775, 2089000, 2715700, 3133500, 3258840, 3394625, 4073550, 5431400, 6267000, 6789250, 8147100, 10183875, 13578500, 16294200, 20367750, 27157000, 40735500, 81471000]

約数ペア:

[(1, 81471000), (2, 40735500), (3, 27157000), (4, 20367750), (5, 16294200), (6, 13578500), (8, 10183875), (10, 8147100), (12, 6789250), (13, 6267000), (15, 5431400), (20, 4073550), (24, 3394625), (25, 3258840), (26, 3133500), (30, 2715700), (39, 2089000), (40, 2036775), (50, 1629420), (52, 1566750), (60, 1357850), (65, 1253400), (75, 1086280), (78, 1044500), (100, 814710), (104, 783375), (120, 678925), (125, 651768), (130, 626700), (150, 543140), (156, 522250), (195, 417800), (200, 407355), (250, 325884), (260, 313350), (300, 271570), (312, 261125), (325, 250680), (375, 217256), (390, 208900), (500, 162942), (520, 156675), (600, 135785), (650, 125340), (750, 108628), (780, 104450), (975, 83560), (1000, 81471), (1300, 62670), (1500, 54314), (1560, 52225), (1625, 50136), (1950, 41780), (2089, 39000), (2600, 31335), (3000, 27157), (3250, 25068), (3900, 20890), (4178, 19500), (4875, 16712), (6267, 13000), (6500, 12534), (7800, 10445), (8356, 9750)]