181428780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1427}}^1$

素因数の和:1615

約数の個数: 96

約数和(自身を含む): 550819584

約数和(自身を除く): 369390804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 163, 195, 260, 326, 390, 489, 652, 780, 815, 978, 1427, 1630, 1956, 2119, 2445, 2854, 3260, 4238, 4281, 4890, 5708, 6357, 7135, 8476, 8562, 9780, 10595, 12714, 14270, 17124, 18551, 21190, 21405, 25428, 28540, 31785, 37102, 42380, 42810, 55653, 63570, 74204, 85620, 92755, 111306, 127140, 185510, 222612, 232601, 278265, 371020, 465202, 556530, 697803, 930404, 1113060, 1163005, 1395606, 2326010, 2791212, 3023813, 3489015, 4652020, 6047626, 6978030, 9071439, 12095252, 13956060, 15119065, 18142878, 30238130, 36285756, 45357195, 60476260, 90714390, 181428780]

約数ペア:

[(1, 181428780), (2, 90714390), (3, 60476260), (4, 45357195), (5, 36285756), (6, 30238130), (10, 18142878), (12, 15119065), (13, 13956060), (15, 12095252), (20, 9071439), (26, 6978030), (30, 6047626), (39, 4652020), (52, 3489015), (60, 3023813), (65, 2791212), (78, 2326010), (130, 1395606), (156, 1163005), (163, 1113060), (195, 930404), (260, 697803), (326, 556530), (390, 465202), (489, 371020), (652, 278265), (780, 232601), (815, 222612), (978, 185510), (1427, 127140), (1630, 111306), (1956, 92755), (2119, 85620), (2445, 74204), (2854, 63570), (3260, 55653), (4238, 42810), (4281, 42380), (4890, 37102), (5708, 31785), (6357, 28540), (7135, 25428), (8476, 21405), (8562, 21190), (9780, 18551), (10595, 17124), (12714, 14270)]