678701440

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^2\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 1653318000

約数和(自身を除く): 974616560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 199, 292, 320, 365, 398, 584, 640, 730, 796, 995, 1168, 1460, 1592, 1990, 2336, 2920, 3184, 3980, 4672, 5329, 5840, 6368, 7960, 9344, 10658, 11680, 12736, 14527, 15920, 21316, 23360, 25472, 26645, 29054, 31840, 42632, 46720, 53290, 58108, 63680, 72635, 85264, 106580, 116216, 127360, 145270, 170528, 213160, 232432, 290540, 341056, 426320, 464864, 581080, 682112, 852640, 929728, 1060471, 1162160, 1705280, 1859456, 2120942, 2324320, 3410560, 4241884, 4648640, 5302355, 8483768, 9297280, 10604710, 16967536, 21209420, 33935072, 42418840, 67870144, 84837680, 135740288, 169675360, 339350720, 678701440]

約数ペア:

[(1, 678701440), (2, 339350720), (4, 169675360), (5, 135740288), (8, 84837680), (10, 67870144), (16, 42418840), (20, 33935072), (32, 21209420), (40, 16967536), (64, 10604710), (73, 9297280), (80, 8483768), (128, 5302355), (146, 4648640), (160, 4241884), (199, 3410560), (292, 2324320), (320, 2120942), (365, 1859456), (398, 1705280), (584, 1162160), (640, 1060471), (730, 929728), (796, 852640), (995, 682112), (1168, 581080), (1460, 464864), (1592, 426320), (1990, 341056), (2336, 290540), (2920, 232432), (3184, 213160), (3980, 170528), (4672, 145270), (5329, 127360), (5840, 116216), (6368, 106580), (7960, 85264), (9344, 72635), (10658, 63680), (11680, 58108), (12736, 53290), (14527, 46720), (15920, 42632), (21316, 31840), (23360, 29054), (25472, 26645)]