320230980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12799}}^1$

素因数の和:12953

約数の個数: 72

約数和(自身を含む): 978432000

約数和(自身を除く): 658201020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 12799, 25020, 25598, 38397, 51196, 63995, 76794, 115191, 127990, 153588, 191985, 230382, 255980, 383970, 460764, 575955, 767940, 1151910, 1779061, 2303820, 3558122, 5337183, 7116244, 8895305, 10674366, 16011549, 17790610, 21348732, 26685915, 32023098, 35581220, 53371830, 64046196, 80057745, 106743660, 160115490, 320230980]

約数ペア:

[(1, 320230980), (2, 160115490), (3, 106743660), (4, 80057745), (5, 64046196), (6, 53371830), (9, 35581220), (10, 32023098), (12, 26685915), (15, 21348732), (18, 17790610), (20, 16011549), (30, 10674366), (36, 8895305), (45, 7116244), (60, 5337183), (90, 3558122), (139, 2303820), (180, 1779061), (278, 1151910), (417, 767940), (556, 575955), (695, 460764), (834, 383970), (1251, 255980), (1390, 230382), (1668, 191985), (2085, 153588), (2502, 127990), (2780, 115191), (4170, 76794), (5004, 63995), (6255, 51196), (8340, 38397), (12510, 25598), (12799, 25020)]