72119320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19813}}^1$

素因数の和:19844

約数の個数: 64

約数和(自身を含む): 199725120

約数和(自身を除く): 127605800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 19813, 39626, 79252, 99065, 138691, 158504, 198130, 257569, 277382, 396260, 515138, 554764, 693455, 792520, 1030276, 1109528, 1287845, 1386910, 1802983, 2060552, 2575690, 2773820, 3605966, 5151380, 5547640, 7211932, 9014915, 10302760, 14423864, 18029830, 36059660, 72119320]

約数ペア:

[(1, 72119320), (2, 36059660), (4, 18029830), (5, 14423864), (7, 10302760), (8, 9014915), (10, 7211932), (13, 5547640), (14, 5151380), (20, 3605966), (26, 2773820), (28, 2575690), (35, 2060552), (40, 1802983), (52, 1386910), (56, 1287845), (65, 1109528), (70, 1030276), (91, 792520), (104, 693455), (130, 554764), (140, 515138), (182, 396260), (260, 277382), (280, 257569), (364, 198130), (455, 158504), (520, 138691), (728, 99065), (910, 79252), (1820, 39626), (3640, 19813)]