51465720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:709

約数の個数: 128

約数和(自身を含む): 166924800

約数和(自身を除く): 115459080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 435, 460, 552, 580, 643, 667, 690, 696, 870, 920, 1160, 1286, 1334, 1380, 1740, 1929, 2001, 2572, 2668, 2760, 3215, 3335, 3480, 3858, 4002, 5144, 5336, 6430, 6670, 7716, 8004, 9645, 10005, 12860, 13340, 14789, 15432, 16008, 18647, 19290, 20010, 25720, 26680, 29578, 37294, 38580, 40020, 44367, 55941, 59156, 73945, 74588, 77160, 80040, 88734, 93235, 111882, 118312, 147890, 149176, 177468, 186470, 221835, 223764, 279705, 295780, 354936, 372940, 428881, 443670, 447528, 559410, 591560, 745880, 857762, 887340, 1118820, 1286643, 1715524, 1774680, 2144405, 2237640, 2573286, 3431048, 4288810, 5146572, 6433215, 8577620, 10293144, 12866430, 17155240, 25732860, 51465720]

約数ペア:

[(1, 51465720), (2, 25732860), (3, 17155240), (4, 12866430), (5, 10293144), (6, 8577620), (8, 6433215), (10, 5146572), (12, 4288810), (15, 3431048), (20, 2573286), (23, 2237640), (24, 2144405), (29, 1774680), (30, 1715524), (40, 1286643), (46, 1118820), (58, 887340), (60, 857762), (69, 745880), (87, 591560), (92, 559410), (115, 447528), (116, 443670), (120, 428881), (138, 372940), (145, 354936), (174, 295780), (184, 279705), (230, 223764), (232, 221835), (276, 186470), (290, 177468), (345, 149176), (348, 147890), (435, 118312), (460, 111882), (552, 93235), (580, 88734), (643, 80040), (667, 77160), (690, 74588), (696, 73945), (870, 59156), (920, 55941), (1160, 44367), (1286, 40020), (1334, 38580), (1380, 37294), (1740, 29578), (1929, 26680), (2001, 25720), (2572, 20010), (2668, 19290), (2760, 18647), (3215, 16008), (3335, 15432), (3480, 14789), (3858, 13340), (4002, 12860), (5144, 10005), (5336, 9645), (6430, 8004), (6670, 7716)]