21462720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:382

約数の個数: 112

約数和(自身を含む): 69250560

約数和(自身を除く): 47787840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 158, 160, 192, 237, 240, 283, 316, 320, 395, 474, 480, 566, 632, 790, 849, 948, 960, 1132, 1185, 1264, 1415, 1580, 1698, 1896, 2264, 2370, 2528, 2830, 3160, 3396, 3792, 4245, 4528, 4740, 5056, 5660, 6320, 6792, 7584, 8490, 9056, 9480, 11320, 12640, 13584, 15168, 16980, 18112, 18960, 22357, 22640, 25280, 27168, 33960, 37920, 44714, 45280, 54336, 67071, 67920, 75840, 89428, 90560, 111785, 134142, 135840, 178856, 223570, 268284, 271680, 335355, 357712, 447140, 536568, 670710, 715424, 894280, 1073136, 1341420, 1430848, 1788560, 2146272, 2682840, 3577120, 4292544, 5365680, 7154240, 10731360, 21462720]

約数ペア:

[(1, 21462720), (2, 10731360), (3, 7154240), (4, 5365680), (5, 4292544), (6, 3577120), (8, 2682840), (10, 2146272), (12, 1788560), (15, 1430848), (16, 1341420), (20, 1073136), (24, 894280), (30, 715424), (32, 670710), (40, 536568), (48, 447140), (60, 357712), (64, 335355), (79, 271680), (80, 268284), (96, 223570), (120, 178856), (158, 135840), (160, 134142), (192, 111785), (237, 90560), (240, 89428), (283, 75840), (316, 67920), (320, 67071), (395, 54336), (474, 45280), (480, 44714), (566, 37920), (632, 33960), (790, 27168), (849, 25280), (948, 22640), (960, 22357), (1132, 18960), (1185, 18112), (1264, 16980), (1415, 15168), (1580, 13584), (1698, 12640), (1896, 11320), (2264, 9480), (2370, 9056), (2528, 8490), (2830, 7584), (3160, 6792), (3396, 6320), (3792, 5660), (4245, 5056), (4528, 4740)]