31039440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{457}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 96773568

約数和(自身を除く): 65734128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 283, 457, 566, 849, 914, 1132, 1371, 1415, 1698, 1828, 2264, 2285, 2742, 2830, 3396, 3656, 4245, 4528, 4570, 5484, 5660, 6792, 6855, 7312, 8490, 9140, 10968, 11320, 13584, 13710, 16980, 18280, 21936, 22640, 27420, 33960, 36560, 54840, 67920, 109680, 129331, 258662, 387993, 517324, 646655, 775986, 1034648, 1293310, 1551972, 1939965, 2069296, 2586620, 3103944, 3879930, 5173240, 6207888, 7759860, 10346480, 15519720, 31039440]

約数ペア:

[(1, 31039440), (2, 15519720), (3, 10346480), (4, 7759860), (5, 6207888), (6, 5173240), (8, 3879930), (10, 3103944), (12, 2586620), (15, 2069296), (16, 1939965), (20, 1551972), (24, 1293310), (30, 1034648), (40, 775986), (48, 646655), (60, 517324), (80, 387993), (120, 258662), (240, 129331), (283, 109680), (457, 67920), (566, 54840), (849, 36560), (914, 33960), (1132, 27420), (1371, 22640), (1415, 21936), (1698, 18280), (1828, 16980), (2264, 13710), (2285, 13584), (2742, 11320), (2830, 10968), (3396, 9140), (3656, 8490), (4245, 7312), (4528, 6855), (4570, 6792), (5484, 5660)]