80644620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1399

約数の個数: 96

約数和(自身を含む): 259918848

約数和(自身を除く): 179274228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 471, 628, 785, 942, 1099, 1223, 1570, 1884, 2198, 2355, 2446, 3140, 3297, 3669, 4396, 4710, 4892, 5495, 6115, 6594, 7338, 8561, 9420, 10990, 12230, 13188, 14676, 16485, 17122, 18345, 21980, 24460, 25683, 32970, 34244, 36690, 42805, 51366, 65940, 73380, 85610, 102732, 128415, 171220, 192011, 256830, 384022, 513660, 576033, 768044, 960055, 1152066, 1344077, 1920110, 2304132, 2688154, 2880165, 3840220, 4032231, 5376308, 5760330, 6720385, 8064462, 11520660, 13440770, 16128924, 20161155, 26881540, 40322310, 80644620]

約数ペア:

[(1, 80644620), (2, 40322310), (3, 26881540), (4, 20161155), (5, 16128924), (6, 13440770), (7, 11520660), (10, 8064462), (12, 6720385), (14, 5760330), (15, 5376308), (20, 4032231), (21, 3840220), (28, 2880165), (30, 2688154), (35, 2304132), (42, 1920110), (60, 1344077), (70, 1152066), (84, 960055), (105, 768044), (140, 576033), (157, 513660), (210, 384022), (314, 256830), (420, 192011), (471, 171220), (628, 128415), (785, 102732), (942, 85610), (1099, 73380), (1223, 65940), (1570, 51366), (1884, 42805), (2198, 36690), (2355, 34244), (2446, 32970), (3140, 25683), (3297, 24460), (3669, 21980), (4396, 18345), (4710, 17122), (4892, 16485), (5495, 14676), (6115, 13188), (6594, 12230), (7338, 10990), (8561, 9420)]