2547480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 8709120

約数和(自身を除く): 6161640

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, 71, 78, 92, 104, 115, 120, 130, 138, 142, 156, 184, 195, 213, 230, 260, 276, 284, 299, 312, 345, 355, 390, 426, 460, 520, 552, 568, 598, 690, 710, 780, 852, 897, 920, 923, 1065, 1196, 1380, 1420, 1495, 1560, 1633, 1704, 1794, 1846, 2130, 2392, 2760, 2769, 2840, 2990, 3266, 3588, 3692, 4260, 4485, 4615, 4899, 5538, 5980, 6532, 7176, 7384, 8165, 8520, 8970, 9230, 9798, 11076, 11960, 13064, 13845, 16330, 17940, 18460, 19596, 21229, 22152, 24495, 27690, 32660, 35880, 36920, 39192, 42458, 48990, 55380, 63687, 65320, 84916, 97980, 106145, 110760, 127374, 169832, 195960, 212290, 254748, 318435, 424580, 509496, 636870, 849160, 1273740, 2547480]

約数ペア:

[(1, 2547480), (2, 1273740), (3, 849160), (4, 636870), (5, 509496), (6, 424580), (8, 318435), (10, 254748), (12, 212290), (13, 195960), (15, 169832), (20, 127374), (23, 110760), (24, 106145), (26, 97980), (30, 84916), (39, 65320), (40, 63687), (46, 55380), (52, 48990), (60, 42458), (65, 39192), (69, 36920), (71, 35880), (78, 32660), (92, 27690), (104, 24495), (115, 22152), (120, 21229), (130, 19596), (138, 18460), (142, 17940), (156, 16330), (184, 13845), (195, 13064), (213, 11960), (230, 11076), (260, 9798), (276, 9230), (284, 8970), (299, 8520), (312, 8165), (345, 7384), (355, 7176), (390, 6532), (426, 5980), (460, 5538), (520, 4899), (552, 4615), (568, 4485), (598, 4260), (690, 3692), (710, 3588), (780, 3266), (852, 2990), (897, 2840), (920, 2769), (923, 2760), (1065, 2392), (1196, 2130), (1380, 1846), (1420, 1794), (1495, 1704), (1560, 1633)]