64931520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:542

約数の個数: 112

約数和(自身を含む): 207751680

約数和(自身を除く): 142820160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 239, 240, 283, 320, 478, 480, 566, 717, 849, 956, 960, 1132, 1195, 1415, 1434, 1698, 1912, 2264, 2390, 2830, 2868, 3396, 3585, 3824, 4245, 4528, 4780, 5660, 5736, 6792, 7170, 7648, 8490, 9056, 9560, 11320, 11472, 13584, 14340, 15296, 16980, 18112, 19120, 22640, 22944, 27168, 28680, 33960, 38240, 45280, 45888, 54336, 57360, 67637, 67920, 76480, 90560, 114720, 135274, 135840, 202911, 229440, 270548, 271680, 338185, 405822, 541096, 676370, 811644, 1014555, 1082192, 1352740, 1623288, 2029110, 2164384, 2705480, 3246576, 4058220, 4328768, 5410960, 6493152, 8116440, 10821920, 12986304, 16232880, 21643840, 32465760, 64931520]

約数ペア:

[(1, 64931520), (2, 32465760), (3, 21643840), (4, 16232880), (5, 12986304), (6, 10821920), (8, 8116440), (10, 6493152), (12, 5410960), (15, 4328768), (16, 4058220), (20, 3246576), (24, 2705480), (30, 2164384), (32, 2029110), (40, 1623288), (48, 1352740), (60, 1082192), (64, 1014555), (80, 811644), (96, 676370), (120, 541096), (160, 405822), (192, 338185), (239, 271680), (240, 270548), (283, 229440), (320, 202911), (478, 135840), (480, 135274), (566, 114720), (717, 90560), (849, 76480), (956, 67920), (960, 67637), (1132, 57360), (1195, 54336), (1415, 45888), (1434, 45280), (1698, 38240), (1912, 33960), (2264, 28680), (2390, 27168), (2830, 22944), (2868, 22640), (3396, 19120), (3585, 18112), (3824, 16980), (4245, 15296), (4528, 14340), (4780, 13584), (5660, 11472), (5736, 11320), (6792, 9560), (7170, 9056), (7648, 8490)]