782348240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{1889}}^1$

素因数の和:2100

約数の個数: 80

約数和(自身を含む): 1889879040

約数和(自身を除く): 1107530800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 248, 310, 334, 496, 620, 668, 835, 1240, 1336, 1670, 1889, 2480, 2672, 3340, 3778, 5177, 6680, 7556, 9445, 10354, 13360, 15112, 18890, 20708, 25885, 30224, 37780, 41416, 51770, 58559, 75560, 82832, 103540, 117118, 151120, 207080, 234236, 292795, 315463, 414160, 468472, 585590, 630926, 936944, 1171180, 1261852, 1577315, 2342360, 2523704, 3154630, 4684720, 5047408, 6309260, 9779353, 12618520, 19558706, 25237040, 39117412, 48896765, 78234824, 97793530, 156469648, 195587060, 391174120, 782348240]

約数ペア:

[(1, 782348240), (2, 391174120), (4, 195587060), (5, 156469648), (8, 97793530), (10, 78234824), (16, 48896765), (20, 39117412), (31, 25237040), (40, 19558706), (62, 12618520), (80, 9779353), (124, 6309260), (155, 5047408), (167, 4684720), (248, 3154630), (310, 2523704), (334, 2342360), (496, 1577315), (620, 1261852), (668, 1171180), (835, 936944), (1240, 630926), (1336, 585590), (1670, 468472), (1889, 414160), (2480, 315463), (2672, 292795), (3340, 234236), (3778, 207080), (5177, 151120), (6680, 117118), (7556, 103540), (9445, 82832), (10354, 75560), (13360, 58559), (15112, 51770), (18890, 41416), (20708, 37780), (25885, 30224)]