159619980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{204641}}^1$

素因数の和:204666

約数の個数: 48

約数和(自身を含む): 481317984

約数和(自身を除く): 321698004

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, 204641, 409282, 613923, 818564, 1023205, 1227846, 2046410, 2455692, 2660333, 3069615, 4092820, 5320666, 6139230, 7980999, 10641332, 12278460, 13301665, 15961998, 26603330, 31923996, 39904995, 53206660, 79809990, 159619980]

約数ペア:

[(1, 159619980), (2, 79809990), (3, 53206660), (4, 39904995), (5, 31923996), (6, 26603330), (10, 15961998), (12, 13301665), (13, 12278460), (15, 10641332), (20, 7980999), (26, 6139230), (30, 5320666), (39, 4092820), (52, 3069615), (60, 2660333), (65, 2455692), (78, 2046410), (130, 1227846), (156, 1023205), (195, 818564), (260, 613923), (390, 409282), (780, 204641)]