131190760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 306662400

約数和(自身を除く): 175471640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 241, 248, 310, 439, 482, 620, 878, 964, 1205, 1240, 1756, 1928, 2195, 2410, 3512, 4390, 4820, 7471, 8780, 9640, 13609, 14942, 17560, 27218, 29884, 37355, 54436, 59768, 68045, 74710, 105799, 108872, 136090, 149420, 211598, 272180, 298840, 423196, 528995, 544360, 846392, 1057990, 2115980, 3279769, 4231960, 6559538, 13119076, 16398845, 26238152, 32797690, 65595380, 131190760]

約数ペア:

[(1, 131190760), (2, 65595380), (4, 32797690), (5, 26238152), (8, 16398845), (10, 13119076), (20, 6559538), (31, 4231960), (40, 3279769), (62, 2115980), (124, 1057990), (155, 846392), (241, 544360), (248, 528995), (310, 423196), (439, 298840), (482, 272180), (620, 211598), (878, 149420), (964, 136090), (1205, 108872), (1240, 105799), (1756, 74710), (1928, 68045), (2195, 59768), (2410, 54436), (3512, 37355), (4390, 29884), (4820, 27218), (7471, 17560), (8780, 14942), (9640, 13609)]