28327140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{653}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 86414328

約数和(自身を除く): 58087188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 653, 723, 964, 1205, 1306, 1446, 1959, 2169, 2410, 2612, 2892, 3265, 3615, 3918, 4338, 4820, 5877, 6530, 7230, 7836, 8676, 9795, 10845, 11754, 13060, 14460, 19590, 21690, 23508, 29385, 39180, 43380, 58770, 117540, 157373, 314746, 472119, 629492, 786865, 944238, 1416357, 1573730, 1888476, 2360595, 2832714, 3147460, 4721190, 5665428, 7081785, 9442380, 14163570, 28327140]

約数ペア:

[(1, 28327140), (2, 14163570), (3, 9442380), (4, 7081785), (5, 5665428), (6, 4721190), (9, 3147460), (10, 2832714), (12, 2360595), (15, 1888476), (18, 1573730), (20, 1416357), (30, 944238), (36, 786865), (45, 629492), (60, 472119), (90, 314746), (180, 157373), (241, 117540), (482, 58770), (653, 43380), (723, 39180), (964, 29385), (1205, 23508), (1306, 21690), (1446, 19590), (1959, 14460), (2169, 13060), (2410, 11754), (2612, 10845), (2892, 9795), (3265, 8676), (3615, 7836), (3918, 7230), (4338, 6530), (4820, 5877)]