2558520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 8985600

約数和(自身を除く): 6427080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 103, 108, 115, 120, 135, 138, 180, 184, 206, 207, 216, 230, 270, 276, 309, 345, 360, 412, 414, 460, 515, 540, 552, 618, 621, 690, 824, 828, 920, 927, 1030, 1035, 1080, 1236, 1242, 1380, 1545, 1656, 1854, 2060, 2070, 2369, 2472, 2484, 2760, 2781, 3090, 3105, 3708, 4120, 4140, 4635, 4738, 4968, 5562, 6180, 6210, 7107, 7416, 8280, 9270, 9476, 11124, 11845, 12360, 12420, 13905, 14214, 18540, 18952, 21321, 22248, 23690, 24840, 27810, 28428, 35535, 37080, 42642, 47380, 55620, 56856, 63963, 71070, 85284, 94760, 106605, 111240, 127926, 142140, 170568, 213210, 255852, 284280, 319815, 426420, 511704, 639630, 852840, 1279260, 2558520]

約数ペア:

[(1, 2558520), (2, 1279260), (3, 852840), (4, 639630), (5, 511704), (6, 426420), (8, 319815), (9, 284280), (10, 255852), (12, 213210), (15, 170568), (18, 142140), (20, 127926), (23, 111240), (24, 106605), (27, 94760), (30, 85284), (36, 71070), (40, 63963), (45, 56856), (46, 55620), (54, 47380), (60, 42642), (69, 37080), (72, 35535), (90, 28428), (92, 27810), (103, 24840), (108, 23690), (115, 22248), (120, 21321), (135, 18952), (138, 18540), (180, 14214), (184, 13905), (206, 12420), (207, 12360), (216, 11845), (230, 11124), (270, 9476), (276, 9270), (309, 8280), (345, 7416), (360, 7107), (412, 6210), (414, 6180), (460, 5562), (515, 4968), (540, 4738), (552, 4635), (618, 4140), (621, 4120), (690, 3708), (824, 3105), (828, 3090), (920, 2781), (927, 2760), (1030, 2484), (1035, 2472), (1080, 2369), (1236, 2070), (1242, 2060), (1380, 1854), (1545, 1656)]