251759680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:708

約数の個数: 112

約数和(自身を含む): 634959360

約数和(自身を除く): 383199680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 619, 620, 656, 820, 992, 1238, 1240, 1271, 1312, 1640, 1984, 2476, 2480, 2542, 2624, 3095, 3280, 4952, 4960, 5084, 6190, 6355, 6560, 9904, 9920, 10168, 12380, 12710, 13120, 19189, 19808, 20336, 24760, 25379, 25420, 38378, 39616, 40672, 49520, 50758, 50840, 76756, 81344, 95945, 99040, 101516, 101680, 126895, 153512, 191890, 198080, 203032, 203360, 253790, 307024, 383780, 406064, 406720, 507580, 614048, 767560, 786749, 812128, 1015160, 1228096, 1535120, 1573498, 1624256, 2030320, 3070240, 3146996, 3933745, 4060640, 6140480, 6293992, 7867490, 8121280, 12587984, 15734980, 25175968, 31469960, 50351936, 62939920, 125879840, 251759680]

約数ペア:

[(1, 251759680), (2, 125879840), (4, 62939920), (5, 50351936), (8, 31469960), (10, 25175968), (16, 15734980), (20, 12587984), (31, 8121280), (32, 7867490), (40, 6293992), (41, 6140480), (62, 4060640), (64, 3933745), (80, 3146996), (82, 3070240), (124, 2030320), (155, 1624256), (160, 1573498), (164, 1535120), (205, 1228096), (248, 1015160), (310, 812128), (320, 786749), (328, 767560), (410, 614048), (496, 507580), (619, 406720), (620, 406064), (656, 383780), (820, 307024), (992, 253790), (1238, 203360), (1240, 203032), (1271, 198080), (1312, 191890), (1640, 153512), (1984, 126895), (2476, 101680), (2480, 101516), (2542, 99040), (2624, 95945), (3095, 81344), (3280, 76756), (4952, 50840), (4960, 50758), (5084, 49520), (6190, 40672), (6355, 39616), (6560, 38378), (9904, 25420), (9920, 25379), (10168, 24760), (12380, 20336), (12710, 19808), (13120, 19189)]