81553440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2393}}^1$

素因数の和:2482

約数の個数: 96

約数和(自身を含む): 260620416

約数和(自身を除く): 179066976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 71, 80, 96, 120, 142, 160, 213, 240, 284, 355, 426, 480, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2272, 2393, 2840, 3408, 4260, 4786, 5680, 6816, 7179, 8520, 9572, 11360, 11965, 14358, 17040, 19144, 23930, 28716, 34080, 35895, 38288, 47860, 57432, 71790, 76576, 95720, 114864, 143580, 169903, 191440, 229728, 287160, 339806, 382880, 509709, 574320, 679612, 849515, 1019418, 1148640, 1359224, 1699030, 2038836, 2548545, 2718448, 3398060, 4077672, 5097090, 5436896, 6796120, 8155344, 10194180, 13592240, 16310688, 20388360, 27184480, 40776720, 81553440]

約数ペア:

[(1, 81553440), (2, 40776720), (3, 27184480), (4, 20388360), (5, 16310688), (6, 13592240), (8, 10194180), (10, 8155344), (12, 6796120), (15, 5436896), (16, 5097090), (20, 4077672), (24, 3398060), (30, 2718448), (32, 2548545), (40, 2038836), (48, 1699030), (60, 1359224), (71, 1148640), (80, 1019418), (96, 849515), (120, 679612), (142, 574320), (160, 509709), (213, 382880), (240, 339806), (284, 287160), (355, 229728), (426, 191440), (480, 169903), (568, 143580), (710, 114864), (852, 95720), (1065, 76576), (1136, 71790), (1420, 57432), (1704, 47860), (2130, 38288), (2272, 35895), (2393, 34080), (2840, 28716), (3408, 23930), (4260, 19144), (4786, 17040), (5680, 14358), (6816, 11965), (7179, 11360), (8520, 9572)]