189570840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7487}}^1$

素因数の和:7712

約数の個数: 64

約数和(自身を含む): 571484160

約数和(自身を除く): 381913320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 4220, 5064, 6330, 7487, 8440, 12660, 14974, 22461, 25320, 29948, 37435, 44922, 59896, 74870, 89844, 112305, 149740, 179688, 224610, 299480, 449220, 898440, 1579757, 3159514, 4739271, 6319028, 7898785, 9478542, 12638056, 15797570, 18957084, 23696355, 31595140, 37914168, 47392710, 63190280, 94785420, 189570840]

約数ペア:

[(1, 189570840), (2, 94785420), (3, 63190280), (4, 47392710), (5, 37914168), (6, 31595140), (8, 23696355), (10, 18957084), (12, 15797570), (15, 12638056), (20, 9478542), (24, 7898785), (30, 6319028), (40, 4739271), (60, 3159514), (120, 1579757), (211, 898440), (422, 449220), (633, 299480), (844, 224610), (1055, 179688), (1266, 149740), (1688, 112305), (2110, 89844), (2532, 74870), (3165, 59896), (4220, 44922), (5064, 37435), (6330, 29948), (7487, 25320), (8440, 22461), (12660, 14974)]