28756680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5573}}^1$

素因数の和:5630

約数の個数: 64

約数和(自身を含む): 88292160

約数和(自身を除く): 59535480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 5573, 11146, 16719, 22292, 27865, 33438, 44584, 55730, 66876, 83595, 111460, 133752, 167190, 222920, 239639, 334380, 479278, 668760, 718917, 958556, 1198195, 1437834, 1917112, 2396390, 2875668, 3594585, 4792780, 5751336, 7189170, 9585560, 14378340, 28756680]

約数ペア:

[(1, 28756680), (2, 14378340), (3, 9585560), (4, 7189170), (5, 5751336), (6, 4792780), (8, 3594585), (10, 2875668), (12, 2396390), (15, 1917112), (20, 1437834), (24, 1198195), (30, 958556), (40, 718917), (43, 668760), (60, 479278), (86, 334380), (120, 239639), (129, 222920), (172, 167190), (215, 133752), (258, 111460), (344, 83595), (430, 66876), (516, 55730), (645, 44584), (860, 33438), (1032, 27865), (1290, 22292), (1720, 16719), (2580, 11146), (5160, 5573)]