1640392980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{57077}}^1$

素因数の和:57568

約数の個数: 48

約数和(自身を含む): 4602769920

約数和(自身を除く): 2962376940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 479, 958, 1437, 1916, 2395, 2874, 4790, 5748, 7185, 9580, 14370, 28740, 57077, 114154, 171231, 228308, 285385, 342462, 570770, 684924, 856155, 1141540, 1712310, 3424620, 27339883, 54679766, 82019649, 109359532, 136699415, 164039298, 273398830, 328078596, 410098245, 546797660, 820196490, 1640392980]

約数ペア:

[(1, 1640392980), (2, 820196490), (3, 546797660), (4, 410098245), (5, 328078596), (6, 273398830), (10, 164039298), (12, 136699415), (15, 109359532), (20, 82019649), (30, 54679766), (60, 27339883), (479, 3424620), (958, 1712310), (1437, 1141540), (1916, 856155), (2395, 684924), (2874, 570770), (4790, 342462), (5748, 285385), (7185, 228308), (9580, 171231), (14370, 114154), (28740, 57077)]