68890380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{88321}}^1$

素因数の和:88346

約数の個数: 48

約数和(自身を含む): 207733344

約数和(自身を除く): 138842964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 88321, 176642, 264963, 353284, 441605, 529926, 883210, 1059852, 1148173, 1324815, 1766420, 2296346, 2649630, 3444519, 4592692, 5299260, 5740865, 6889038, 11481730, 13778076, 17222595, 22963460, 34445190, 68890380]

約数ペア:

[(1, 68890380), (2, 34445190), (3, 22963460), (4, 17222595), (5, 13778076), (6, 11481730), (10, 6889038), (12, 5740865), (13, 5299260), (15, 4592692), (20, 3444519), (26, 2649630), (30, 2296346), (39, 1766420), (52, 1324815), (60, 1148173), (65, 1059852), (78, 883210), (130, 529926), (156, 441605), (195, 353284), (260, 264963), (390, 176642), (780, 88321)]