1571277440

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:550

約数の個数: 128

約数和(自身を含む): 3879504720

約数和(自身を除く): 2308227280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 233, 257, 320, 328, 410, 466, 514, 640, 656, 820, 932, 1028, 1165, 1285, 1312, 1640, 1864, 2056, 2330, 2570, 2624, 3280, 3728, 4112, 4660, 5140, 5248, 6560, 7456, 8224, 9320, 9553, 10280, 10537, 13120, 14912, 16448, 18640, 19106, 20560, 21074, 26240, 29824, 32896, 37280, 38212, 41120, 42148, 47765, 52685, 59881, 74560, 76424, 82240, 84296, 95530, 105370, 119762, 149120, 152848, 164480, 168592, 191060, 210740, 239524, 299405, 305696, 337184, 382120, 421480, 479048, 598810, 611392, 674368, 764240, 842960, 958096, 1197620, 1222784, 1348736, 1528480, 1685920, 1916192, 2395240, 2455121, 3056960, 3371840, 3832384, 4790480, 4910242, 6113920, 6743680, 7664768, 9580960, 9820484, 12275605, 19161920, 19640968, 24551210, 38323840, 39281936, 49102420, 78563872, 98204840, 157127744, 196409680, 314255488, 392819360, 785638720, 1571277440]

約数ペア:

[(1, 1571277440), (2, 785638720), (4, 392819360), (5, 314255488), (8, 196409680), (10, 157127744), (16, 98204840), (20, 78563872), (32, 49102420), (40, 39281936), (41, 38323840), (64, 24551210), (80, 19640968), (82, 19161920), (128, 12275605), (160, 9820484), (164, 9580960), (205, 7664768), (233, 6743680), (257, 6113920), (320, 4910242), (328, 4790480), (410, 3832384), (466, 3371840), (514, 3056960), (640, 2455121), (656, 2395240), (820, 1916192), (932, 1685920), (1028, 1528480), (1165, 1348736), (1285, 1222784), (1312, 1197620), (1640, 958096), (1864, 842960), (2056, 764240), (2330, 674368), (2570, 611392), (2624, 598810), (3280, 479048), (3728, 421480), (4112, 382120), (4660, 337184), (5140, 305696), (5248, 299405), (6560, 239524), (7456, 210740), (8224, 191060), (9320, 168592), (9553, 164480), (10280, 152848), (10537, 149120), (13120, 119762), (14912, 105370), (16448, 95530), (18640, 84296), (19106, 82240), (20560, 76424), (21074, 74560), (26240, 59881), (29824, 52685), (32896, 47765), (37280, 42148), (38212, 41120)]