28991238180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{225683}}^1$

素因数の和:227836

約数の個数: 48

約数和(自身を含む): 81213741504

約数和(自身を除く): 52222503324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2141, 4282, 6423, 8564, 10705, 12846, 21410, 25692, 32115, 42820, 64230, 128460, 225683, 451366, 677049, 902732, 1128415, 1354098, 2256830, 2708196, 3385245, 4513660, 6770490, 13540980, 483187303, 966374606, 1449561909, 1932749212, 2415936515, 2899123818, 4831873030, 5798247636, 7247809545, 9663746060, 14495619090, 28991238180]

約数ペア:

[(1, 28991238180), (2, 14495619090), (3, 9663746060), (4, 7247809545), (5, 5798247636), (6, 4831873030), (10, 2899123818), (12, 2415936515), (15, 1932749212), (20, 1449561909), (30, 966374606), (60, 483187303), (2141, 13540980), (4282, 6770490), (6423, 4513660), (8564, 3385245), (10705, 2708196), (12846, 2256830), (21410, 1354098), (25692, 1128415), (32115, 902732), (42820, 677049), (64230, 451366), (128460, 225683)]