28844820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 88058880

約数和(自身を除く): 59214060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 839, 955, 1146, 1678, 1719, 1910, 2292, 2517, 2865, 3356, 3438, 3820, 4195, 5034, 5730, 6876, 7551, 8390, 8595, 10068, 11460, 12585, 15102, 16780, 17190, 25170, 30204, 34380, 37755, 50340, 75510, 151020, 160249, 320498, 480747, 640996, 801245, 961494, 1442241, 1602490, 1922988, 2403735, 2884482, 3204980, 4807470, 5768964, 7211205, 9614940, 14422410, 28844820]

約数ペア:

[(1, 28844820), (2, 14422410), (3, 9614940), (4, 7211205), (5, 5768964), (6, 4807470), (9, 3204980), (10, 2884482), (12, 2403735), (15, 1922988), (18, 1602490), (20, 1442241), (30, 961494), (36, 801245), (45, 640996), (60, 480747), (90, 320498), (180, 160249), (191, 151020), (382, 75510), (573, 50340), (764, 37755), (839, 34380), (955, 30204), (1146, 25170), (1678, 17190), (1719, 16780), (1910, 15102), (2292, 12585), (2517, 11460), (2865, 10068), (3356, 8595), (3438, 8390), (3820, 7551), (4195, 6876), (5034, 5730)]