201318780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258101}}^1$

素因数の和:258126

約数の個数: 48

約数和(自身を含む): 607055904

約数和(自身を除く): 405737124

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, 258101, 516202, 774303, 1032404, 1290505, 1548606, 2581010, 3097212, 3355313, 3871515, 5162020, 6710626, 7743030, 10065939, 13421252, 15486060, 16776565, 20131878, 33553130, 40263756, 50329695, 67106260, 100659390, 201318780]

約数ペア:

[(1, 201318780), (2, 100659390), (3, 67106260), (4, 50329695), (5, 40263756), (6, 33553130), (10, 20131878), (12, 16776565), (13, 15486060), (15, 13421252), (20, 10065939), (26, 7743030), (30, 6710626), (39, 5162020), (52, 3871515), (60, 3355313), (65, 3097212), (78, 2581010), (130, 1548606), (156, 1290505), (195, 1032404), (260, 774303), (390, 516202), (780, 258101)]