928720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:92

約数の個数: 80

約数和(自身を含む): 2499840

約数和(自身を除く): 1571120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 47, 52, 65, 76, 80, 94, 95, 104, 130, 152, 188, 190, 208, 235, 247, 260, 304, 376, 380, 470, 494, 520, 611, 752, 760, 893, 940, 988, 1040, 1222, 1235, 1520, 1786, 1880, 1976, 2444, 2470, 3055, 3572, 3760, 3952, 4465, 4888, 4940, 6110, 7144, 8930, 9776, 9880, 11609, 12220, 14288, 17860, 19760, 23218, 24440, 35720, 46436, 48880, 58045, 71440, 92872, 116090, 185744, 232180, 464360, 928720]

約数ペア:

[(1, 928720), (2, 464360), (4, 232180), (5, 185744), (8, 116090), (10, 92872), (13, 71440), (16, 58045), (19, 48880), (20, 46436), (26, 35720), (38, 24440), (40, 23218), (47, 19760), (52, 17860), (65, 14288), (76, 12220), (80, 11609), (94, 9880), (95, 9776), (104, 8930), (130, 7144), (152, 6110), (188, 4940), (190, 4888), (208, 4465), (235, 3952), (247, 3760), (260, 3572), (304, 3055), (376, 2470), (380, 2444), (470, 1976), (494, 1880), (520, 1786), (611, 1520), (752, 1235), (760, 1222), (893, 1040), (940, 988)]