320157240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8923}}^1$

素因数の和:8973

約数の個数: 128

約数和(自身を含む): 1079447040

約数和(自身を除く): 759289800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7176, 8923, 8970, 11960, 17846, 17940, 26769, 35692, 35880, 44615, 53538, 71384, 89230, 107076, 115999, 133845, 178460, 205229, 214152, 231998, 267690, 347997, 356920, 410458, 463996, 535380, 579995, 615687, 695994, 820916, 927992, 1026145, 1070760, 1159990, 1231374, 1391988, 1641832, 1739985, 2052290, 2319980, 2462748, 2667977, 2783976, 3078435, 3479970, 4104580, 4639960, 4925496, 5335954, 6156870, 6959940, 8003931, 8209160, 10671908, 12313740, 13339885, 13919880, 16007862, 21343816, 24627480, 26679770, 32015724, 40019655, 53359540, 64031448, 80039310, 106719080, 160078620, 320157240]

約数ペア:

[(1, 320157240), (2, 160078620), (3, 106719080), (4, 80039310), (5, 64031448), (6, 53359540), (8, 40019655), (10, 32015724), (12, 26679770), (13, 24627480), (15, 21343816), (20, 16007862), (23, 13919880), (24, 13339885), (26, 12313740), (30, 10671908), (39, 8209160), (40, 8003931), (46, 6959940), (52, 6156870), (60, 5335954), (65, 4925496), (69, 4639960), (78, 4104580), (92, 3479970), (104, 3078435), (115, 2783976), (120, 2667977), (130, 2462748), (138, 2319980), (156, 2052290), (184, 1739985), (195, 1641832), (230, 1391988), (260, 1231374), (276, 1159990), (299, 1070760), (312, 1026145), (345, 927992), (390, 820916), (460, 695994), (520, 615687), (552, 579995), (598, 535380), (690, 463996), (780, 410458), (897, 356920), (920, 347997), (1196, 267690), (1380, 231998), (1495, 214152), (1560, 205229), (1794, 178460), (2392, 133845), (2760, 115999), (2990, 107076), (3588, 89230), (4485, 71384), (5980, 53538), (7176, 44615), (8923, 35880), (8970, 35692), (11960, 26769), (17846, 17940)]