1222127680

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:672

約数の個数: 112

約数和(自身を含む): 2986009776

約数和(自身を除く): 1763882096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 137, 160, 244, 274, 305, 320, 457, 488, 548, 610, 685, 914, 976, 1096, 1220, 1370, 1828, 1952, 2192, 2285, 2440, 2740, 3656, 3904, 4384, 4570, 4880, 5480, 7312, 8357, 8768, 9140, 9760, 10960, 14624, 16714, 18280, 19520, 21920, 27877, 29248, 33428, 36560, 41785, 43840, 55754, 62609, 66856, 73120, 83570, 111508, 125218, 133712, 139385, 146240, 167140, 223016, 250436, 267424, 278770, 313045, 334280, 446032, 500872, 534848, 557540, 626090, 668560, 892064, 1001744, 1115080, 1252180, 1337120, 1784128, 2003488, 2230160, 2504360, 2674240, 3819149, 4006976, 4460320, 5008720, 7638298, 8920640, 10017440, 15276596, 19095745, 20034880, 30553192, 38191490, 61106384, 76382980, 122212768, 152765960, 244425536, 305531920, 611063840, 1222127680]

約数ペア:

[(1, 1222127680), (2, 611063840), (4, 305531920), (5, 244425536), (8, 152765960), (10, 122212768), (16, 76382980), (20, 61106384), (32, 38191490), (40, 30553192), (61, 20034880), (64, 19095745), (80, 15276596), (122, 10017440), (137, 8920640), (160, 7638298), (244, 5008720), (274, 4460320), (305, 4006976), (320, 3819149), (457, 2674240), (488, 2504360), (548, 2230160), (610, 2003488), (685, 1784128), (914, 1337120), (976, 1252180), (1096, 1115080), (1220, 1001744), (1370, 892064), (1828, 668560), (1952, 626090), (2192, 557540), (2285, 534848), (2440, 500872), (2740, 446032), (3656, 334280), (3904, 313045), (4384, 278770), (4570, 267424), (4880, 250436), (5480, 223016), (7312, 167140), (8357, 146240), (8768, 139385), (9140, 133712), (9760, 125218), (10960, 111508), (14624, 83570), (16714, 73120), (18280, 66856), (19520, 62609), (21920, 55754), (27877, 43840), (29248, 41785), (33428, 36560)]