172458780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221101}}^1$

素因数の和:221126

約数の個数: 48

約数和(自身を含む): 520031904

約数和(自身を除く): 347573124

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, 221101, 442202, 663303, 884404, 1105505, 1326606, 2211010, 2653212, 2874313, 3316515, 4422020, 5748626, 6633030, 8622939, 11497252, 13266060, 14371565, 17245878, 28743130, 34491756, 43114695, 57486260, 86229390, 172458780]

約数ペア:

[(1, 172458780), (2, 86229390), (3, 57486260), (4, 43114695), (5, 34491756), (6, 28743130), (10, 17245878), (12, 14371565), (13, 13266060), (15, 11497252), (20, 8622939), (26, 6633030), (30, 5748626), (39, 4422020), (52, 3316515), (60, 2874313), (65, 2653212), (78, 2211010), (130, 1326606), (156, 1105505), (195, 884404), (260, 663303), (390, 442202), (780, 221101)]