28776540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 88058880

約数和(自身を除く): 59282340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 195, 237, 260, 316, 390, 395, 467, 474, 780, 790, 934, 948, 1027, 1185, 1401, 1580, 1868, 2054, 2335, 2370, 2802, 3081, 4108, 4670, 4740, 5135, 5604, 6071, 6162, 7005, 9340, 10270, 12142, 12324, 14010, 15405, 18213, 20540, 24284, 28020, 30355, 30810, 36426, 36893, 60710, 61620, 72852, 73786, 91065, 110679, 121420, 147572, 182130, 184465, 221358, 364260, 368930, 442716, 479609, 553395, 737860, 959218, 1106790, 1438827, 1918436, 2213580, 2398045, 2877654, 4796090, 5755308, 7194135, 9592180, 14388270, 28776540]

約数ペア:

[(1, 28776540), (2, 14388270), (3, 9592180), (4, 7194135), (5, 5755308), (6, 4796090), (10, 2877654), (12, 2398045), (13, 2213580), (15, 1918436), (20, 1438827), (26, 1106790), (30, 959218), (39, 737860), (52, 553395), (60, 479609), (65, 442716), (78, 368930), (79, 364260), (130, 221358), (156, 184465), (158, 182130), (195, 147572), (237, 121420), (260, 110679), (316, 91065), (390, 73786), (395, 72852), (467, 61620), (474, 60710), (780, 36893), (790, 36426), (934, 30810), (948, 30355), (1027, 28020), (1185, 24284), (1401, 20540), (1580, 18213), (1868, 15405), (2054, 14010), (2335, 12324), (2370, 12142), (2802, 10270), (3081, 9340), (4108, 7005), (4670, 6162), (4740, 6071), (5135, 5604)]