123917820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2115

約数の個数: 96

約数和(自身を含む): 378577920

約数和(自身を除く): 254660100

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, 474, 780, 790, 948, 1027, 1185, 1580, 2011, 2054, 2370, 3081, 4022, 4108, 4740, 5135, 6033, 6162, 8044, 10055, 10270, 12066, 12324, 15405, 20110, 20540, 24132, 26143, 30165, 30810, 40220, 52286, 60330, 61620, 78429, 104572, 120660, 130715, 156858, 158869, 261430, 313716, 317738, 392145, 476607, 522860, 635476, 784290, 794345, 953214, 1568580, 1588690, 1906428, 2065297, 2383035, 3177380, 4130594, 4766070, 6195891, 8261188, 9532140, 10326485, 12391782, 20652970, 24783564, 30979455, 41305940, 61958910, 123917820]

約数ペア:

[(1, 123917820), (2, 61958910), (3, 41305940), (4, 30979455), (5, 24783564), (6, 20652970), (10, 12391782), (12, 10326485), (13, 9532140), (15, 8261188), (20, 6195891), (26, 4766070), (30, 4130594), (39, 3177380), (52, 2383035), (60, 2065297), (65, 1906428), (78, 1588690), (79, 1568580), (130, 953214), (156, 794345), (158, 784290), (195, 635476), (237, 522860), (260, 476607), (316, 392145), (390, 317738), (395, 313716), (474, 261430), (780, 158869), (790, 156858), (948, 130715), (1027, 120660), (1185, 104572), (1580, 78429), (2011, 61620), (2054, 60330), (2370, 52286), (3081, 40220), (4022, 30810), (4108, 30165), (4740, 26143), (5135, 24132), (6033, 20540), (6162, 20110), (8044, 15405), (10055, 12324), (10270, 12066)]