221594580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1951}}^1$

素因数の和:2597

約数の個数: 72

約数和(自身を含む): 673580544

約数和(自身を除く): 451985964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 631, 1262, 1893, 1951, 2524, 3155, 3786, 3902, 5679, 5853, 6310, 7572, 7804, 9465, 9755, 11358, 11706, 12620, 17559, 18930, 19510, 22716, 23412, 28395, 29265, 35118, 37860, 39020, 56790, 58530, 70236, 87795, 113580, 117060, 175590, 351180, 1231081, 2462162, 3693243, 4924324, 6155405, 7386486, 11079729, 12310810, 14772972, 18466215, 22159458, 24621620, 36932430, 44318916, 55398645, 73864860, 110797290, 221594580]

約数ペア:

[(1, 221594580), (2, 110797290), (3, 73864860), (4, 55398645), (5, 44318916), (6, 36932430), (9, 24621620), (10, 22159458), (12, 18466215), (15, 14772972), (18, 12310810), (20, 11079729), (30, 7386486), (36, 6155405), (45, 4924324), (60, 3693243), (90, 2462162), (180, 1231081), (631, 351180), (1262, 175590), (1893, 117060), (1951, 113580), (2524, 87795), (3155, 70236), (3786, 58530), (3902, 56790), (5679, 39020), (5853, 37860), (6310, 35118), (7572, 29265), (7804, 28395), (9465, 23412), (9755, 22716), (11358, 19510), (11706, 18930), (12620, 17559)]