391031640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1086199}}^1$

素因数の和:1086216

約数の個数: 48

約数和(自身を含む): 1270854000

約数和(自身を除く): 879822360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1086199, 2172398, 3258597, 4344796, 5430995, 6517194, 8689592, 9775791, 10861990, 13034388, 16292985, 19551582, 21723980, 26068776, 32585970, 39103164, 43447960, 48878955, 65171940, 78206328, 97757910, 130343880, 195515820, 391031640]

約数ペア:

[(1, 391031640), (2, 195515820), (3, 130343880), (4, 97757910), (5, 78206328), (6, 65171940), (8, 48878955), (9, 43447960), (10, 39103164), (12, 32585970), (15, 26068776), (18, 21723980), (20, 19551582), (24, 16292985), (30, 13034388), (36, 10861990), (40, 9775791), (45, 8689592), (60, 6517194), (72, 5430995), (90, 4344796), (120, 3258597), (180, 2172398), (360, 1086199)]