28163460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36107}}^1$

素因数の和:36132

約数の個数: 48

約数和(自身を含む): 84926016

約数和(自身を除く): 56762556

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, 36107, 72214, 108321, 144428, 180535, 216642, 361070, 433284, 469391, 541605, 722140, 938782, 1083210, 1408173, 1877564, 2166420, 2346955, 2816346, 4693910, 5632692, 7040865, 9387820, 14081730, 28163460]

約数ペア:

[(1, 28163460), (2, 14081730), (3, 9387820), (4, 7040865), (5, 5632692), (6, 4693910), (10, 2816346), (12, 2346955), (13, 2166420), (15, 1877564), (20, 1408173), (26, 1083210), (30, 938782), (39, 722140), (52, 541605), (60, 469391), (65, 433284), (78, 361070), (130, 216642), (156, 180535), (195, 144428), (260, 108321), (390, 72214), (780, 36107)]