180438180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{231331}}^1$

素因数の和:231356

約数の個数: 48

約数和(自身を含む): 544092864

約数和(自身を除く): 363654684

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, 231331, 462662, 693993, 925324, 1156655, 1387986, 2313310, 2775972, 3007303, 3469965, 4626620, 6014606, 6939930, 9021909, 12029212, 13879860, 15036515, 18043818, 30073030, 36087636, 45109545, 60146060, 90219090, 180438180]

約数ペア:

[(1, 180438180), (2, 90219090), (3, 60146060), (4, 45109545), (5, 36087636), (6, 30073030), (10, 18043818), (12, 15036515), (13, 13879860), (15, 12029212), (20, 9021909), (26, 6939930), (30, 6014606), (39, 4626620), (52, 3469965), (60, 3007303), (65, 2775972), (78, 2313310), (130, 1387986), (156, 1156655), (195, 925324), (260, 693993), (390, 462662), (780, 231331)]