1580800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 108

約数和(自身を含む): 4435480

約数和(自身を除く): 2854680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 64, 65, 76, 80, 95, 100, 104, 128, 130, 152, 160, 190, 200, 208, 247, 256, 260, 304, 320, 325, 380, 400, 416, 475, 494, 520, 608, 640, 650, 760, 800, 832, 950, 988, 1040, 1216, 1235, 1280, 1300, 1520, 1600, 1664, 1900, 1976, 2080, 2432, 2470, 2600, 3040, 3200, 3328, 3800, 3952, 4160, 4864, 4940, 5200, 6080, 6175, 6400, 7600, 7904, 8320, 9880, 10400, 12160, 12350, 15200, 15808, 16640, 19760, 20800, 24320, 24700, 30400, 31616, 39520, 41600, 49400, 60800, 63232, 79040, 83200, 98800, 121600, 158080, 197600, 316160, 395200, 790400, 1580800]

約数ペア:

[(1, 1580800), (2, 790400), (4, 395200), (5, 316160), (8, 197600), (10, 158080), (13, 121600), (16, 98800), (19, 83200), (20, 79040), (25, 63232), (26, 60800), (32, 49400), (38, 41600), (40, 39520), (50, 31616), (52, 30400), (64, 24700), (65, 24320), (76, 20800), (80, 19760), (95, 16640), (100, 15808), (104, 15200), (128, 12350), (130, 12160), (152, 10400), (160, 9880), (190, 8320), (200, 7904), (208, 7600), (247, 6400), (256, 6175), (260, 6080), (304, 5200), (320, 4940), (325, 4864), (380, 4160), (400, 3952), (416, 3800), (475, 3328), (494, 3200), (520, 3040), (608, 2600), (640, 2470), (650, 2432), (760, 2080), (800, 1976), (832, 1900), (950, 1664), (988, 1600), (1040, 1520), (1216, 1300), (1235, 1280)]