318528840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16487}}^1$

素因数の和:16531

約数の個数: 128

約数和(自身を含む): 1139650560

約数和(自身を除く): 821121720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 16487, 19320, 32974, 49461, 65948, 82435, 98922, 115409, 131896, 164870, 197844, 230818, 247305, 329740, 346227, 379201, 395688, 461636, 494610, 577045, 659480, 692454, 758402, 923272, 989220, 1137603, 1154090, 1384908, 1516804, 1731135, 1896005, 1978440, 2275206, 2308180, 2654407, 2769816, 3033608, 3462270, 3792010, 4550412, 4616360, 5308814, 5688015, 6924540, 7584020, 7963221, 9100824, 10617628, 11376030, 13272035, 13849080, 15168040, 15926442, 21235256, 22752060, 26544070, 31852884, 39816105, 45504120, 53088140, 63705768, 79632210, 106176280, 159264420, 318528840]

約数ペア:

[(1, 318528840), (2, 159264420), (3, 106176280), (4, 79632210), (5, 63705768), (6, 53088140), (7, 45504120), (8, 39816105), (10, 31852884), (12, 26544070), (14, 22752060), (15, 21235256), (20, 15926442), (21, 15168040), (23, 13849080), (24, 13272035), (28, 11376030), (30, 10617628), (35, 9100824), (40, 7963221), (42, 7584020), (46, 6924540), (56, 5688015), (60, 5308814), (69, 4616360), (70, 4550412), (84, 3792010), (92, 3462270), (105, 3033608), (115, 2769816), (120, 2654407), (138, 2308180), (140, 2275206), (161, 1978440), (168, 1896005), (184, 1731135), (210, 1516804), (230, 1384908), (276, 1154090), (280, 1137603), (322, 989220), (345, 923272), (420, 758402), (460, 692454), (483, 659480), (552, 577045), (644, 494610), (690, 461636), (805, 395688), (840, 379201), (920, 346227), (966, 329740), (1288, 247305), (1380, 230818), (1610, 197844), (1932, 164870), (2415, 131896), (2760, 115409), (3220, 98922), (3864, 82435), (4830, 65948), (6440, 49461), (9660, 32974), (16487, 19320)]