84671340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108553}}^1$

素因数の和:108578

約数の個数: 48

約数和(自身を含む): 255319008

約数和(自身を除く): 170647668

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, 108553, 217106, 325659, 434212, 542765, 651318, 1085530, 1302636, 1411189, 1628295, 2171060, 2822378, 3256590, 4233567, 5644756, 6513180, 7055945, 8467134, 14111890, 16934268, 21167835, 28223780, 42335670, 84671340]

約数ペア:

[(1, 84671340), (2, 42335670), (3, 28223780), (4, 21167835), (5, 16934268), (6, 14111890), (10, 8467134), (12, 7055945), (13, 6513180), (15, 5644756), (20, 4233567), (26, 3256590), (30, 2822378), (39, 2171060), (52, 1628295), (60, 1411189), (65, 1302636), (78, 1085530), (130, 651318), (156, 542765), (195, 434212), (260, 325659), (390, 217106), (780, 108553)]