128857500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 440858880

約数和(自身を除く): 312001380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 69, 75, 83, 90, 92, 100, 108, 115, 125, 135, 138, 150, 166, 180, 207, 225, 230, 249, 250, 270, 276, 300, 332, 345, 375, 414, 415, 450, 460, 498, 500, 540, 575, 621, 625, 675, 690, 747, 750, 828, 830, 900, 996, 1035, 1125, 1150, 1242, 1245, 1250, 1350, 1380, 1494, 1500, 1660, 1725, 1875, 1909, 2070, 2075, 2241, 2250, 2300, 2484, 2490, 2500, 2700, 2875, 2988, 3105, 3375, 3450, 3735, 3750, 3818, 4140, 4150, 4482, 4500, 4980, 5175, 5625, 5727, 5750, 6210, 6225, 6750, 6900, 7470, 7500, 7636, 8300, 8625, 8964, 9545, 10350, 10375, 11205, 11250, 11454, 11500, 12420, 12450, 13500, 14375, 14940, 15525, 16875, 17181, 17250, 18675, 19090, 20700, 20750, 22410, 22500, 22908, 24900, 25875, 28635, 28750, 31050, 31125, 33750, 34362, 34500, 37350, 38180, 41500, 43125, 44820, 47725, 51543, 51750, 51875, 56025, 57270, 57500, 62100, 62250, 67500, 68724, 74700, 77625, 85905, 86250, 93375, 95450, 103086, 103500, 103750, 112050, 114540, 124500, 129375, 143175, 155250, 155625, 171810, 172500, 186750, 190900, 206172, 207500, 224100, 238625, 257715, 258750, 280125, 286350, 310500, 311250, 343620, 373500, 388125, 429525, 466875, 477250, 515430, 517500, 560250, 572700, 622500, 715875, 776250, 859050, 933750, 954500, 1030860, 1120500, 1193125, 1288575, 1400625, 1431750, 1552500, 1718100, 1867500, 2147625, 2386250, 2577150, 2801250, 2863500, 3579375, 4295250, 4772500, 5154300, 5602500, 6442875, 7158750, 8590500, 10738125, 12885750, 14317500, 21476250, 25771500, 32214375, 42952500, 64428750, 128857500]

約数ペア:

[(1, 128857500), (2, 64428750), (3, 42952500), (4, 32214375), (5, 25771500), (6, 21476250), (9, 14317500), (10, 12885750), (12, 10738125), (15, 8590500), (18, 7158750), (20, 6442875), (23, 5602500), (25, 5154300), (27, 4772500), (30, 4295250), (36, 3579375), (45, 2863500), (46, 2801250), (50, 2577150), (54, 2386250), (60, 2147625), (69, 1867500), (75, 1718100), (83, 1552500), (90, 1431750), (92, 1400625), (100, 1288575), (108, 1193125), (115, 1120500), (125, 1030860), (135, 954500), (138, 933750), (150, 859050), (166, 776250), (180, 715875), (207, 622500), (225, 572700), (230, 560250), (249, 517500), (250, 515430), (270, 477250), (276, 466875), (300, 429525), (332, 388125), (345, 373500), (375, 343620), (414, 311250), (415, 310500), (450, 286350), (460, 280125), (498, 258750), (500, 257715), (540, 238625), (575, 224100), (621, 207500), (625, 206172), (675, 190900), (690, 186750), (747, 172500), (750, 171810), (828, 155625), (830, 155250), (900, 143175), (996, 129375), (1035, 124500), (1125, 114540), (1150, 112050), (1242, 103750), (1245, 103500), (1250, 103086), (1350, 95450), (1380, 93375), (1494, 86250), (1500, 85905), (1660, 77625), (1725, 74700), (1875, 68724), (1909, 67500), (2070, 62250), (2075, 62100), (2241, 57500), (2250, 57270), (2300, 56025), (2484, 51875), (2490, 51750), (2500, 51543), (2700, 47725), (2875, 44820), (2988, 43125), (3105, 41500), (3375, 38180), (3450, 37350), (3735, 34500), (3750, 34362), (3818, 33750), (4140, 31125), (4150, 31050), (4482, 28750), (4500, 28635), (4980, 25875), (5175, 24900), (5625, 22908), (5727, 22500), (5750, 22410), (6210, 20750), (6225, 20700), (6750, 19090), (6900, 18675), (7470, 17250), (7500, 17181), (7636, 16875), (8300, 15525), (8625, 14940), (8964, 14375), (9545, 13500), (10350, 12450), (10375, 12420), (11205, 11500), (11250, 11454)]