55142040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19979}}^1$

素因数の和:20016

約数の個数: 64

約数和(自身を含む): 172627200

約数和(自身を除く): 117485160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 19979, 39958, 59937, 79916, 99895, 119874, 159832, 199790, 239748, 299685, 399580, 459517, 479496, 599370, 799160, 919034, 1198740, 1378551, 1838068, 2297585, 2397480, 2757102, 3676136, 4595170, 5514204, 6892755, 9190340, 11028408, 13785510, 18380680, 27571020, 55142040]

約数ペア:

[(1, 55142040), (2, 27571020), (3, 18380680), (4, 13785510), (5, 11028408), (6, 9190340), (8, 6892755), (10, 5514204), (12, 4595170), (15, 3676136), (20, 2757102), (23, 2397480), (24, 2297585), (30, 1838068), (40, 1378551), (46, 1198740), (60, 919034), (69, 799160), (92, 599370), (115, 479496), (120, 459517), (138, 399580), (184, 299685), (230, 239748), (276, 199790), (345, 159832), (460, 119874), (552, 99895), (690, 79916), (920, 59937), (1380, 39958), (2760, 19979)]