64748400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:783

約数の個数: 120

約数和(自身を含む): 210343680

約数和(自身を除く): 145595280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 79, 80, 100, 120, 150, 158, 200, 237, 240, 300, 316, 395, 400, 474, 600, 632, 683, 790, 948, 1185, 1200, 1264, 1366, 1580, 1896, 1975, 2049, 2370, 2732, 3160, 3415, 3792, 3950, 4098, 4740, 5464, 5925, 6320, 6830, 7900, 8196, 9480, 10245, 10928, 11850, 13660, 15800, 16392, 17075, 18960, 20490, 23700, 27320, 31600, 32784, 34150, 40980, 47400, 51225, 53957, 54640, 68300, 81960, 94800, 102450, 107914, 136600, 161871, 163920, 204900, 215828, 269785, 273200, 323742, 409800, 431656, 539570, 647484, 809355, 819600, 863312, 1079140, 1294968, 1348925, 1618710, 2158280, 2589936, 2697850, 3237420, 4046775, 4316560, 5395700, 6474840, 8093550, 10791400, 12949680, 16187100, 21582800, 32374200, 64748400]

約数ペア:

[(1, 64748400), (2, 32374200), (3, 21582800), (4, 16187100), (5, 12949680), (6, 10791400), (8, 8093550), (10, 6474840), (12, 5395700), (15, 4316560), (16, 4046775), (20, 3237420), (24, 2697850), (25, 2589936), (30, 2158280), (40, 1618710), (48, 1348925), (50, 1294968), (60, 1079140), (75, 863312), (79, 819600), (80, 809355), (100, 647484), (120, 539570), (150, 431656), (158, 409800), (200, 323742), (237, 273200), (240, 269785), (300, 215828), (316, 204900), (395, 163920), (400, 161871), (474, 136600), (600, 107914), (632, 102450), (683, 94800), (790, 81960), (948, 68300), (1185, 54640), (1200, 53957), (1264, 51225), (1366, 47400), (1580, 40980), (1896, 34150), (1975, 32784), (2049, 31600), (2370, 27320), (2732, 23700), (3160, 20490), (3415, 18960), (3792, 17075), (3950, 16392), (4098, 15800), (4740, 13660), (5464, 11850), (5925, 10928), (6320, 10245), (6830, 9480), (7900, 8196)]