28451790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 76446720

約数和(自身を除く): 47994930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 167, 270, 334, 501, 631, 835, 1002, 1262, 1503, 1670, 1893, 2505, 3006, 3155, 3786, 4509, 5010, 5679, 6310, 7515, 9018, 9465, 11358, 15030, 17037, 18930, 22545, 28395, 34074, 45090, 56790, 85185, 105377, 170370, 210754, 316131, 526885, 632262, 948393, 1053770, 1580655, 1896786, 2845179, 3161310, 4741965, 5690358, 9483930, 14225895, 28451790]

約数ペア:

[(1, 28451790), (2, 14225895), (3, 9483930), (5, 5690358), (6, 4741965), (9, 3161310), (10, 2845179), (15, 1896786), (18, 1580655), (27, 1053770), (30, 948393), (45, 632262), (54, 526885), (90, 316131), (135, 210754), (167, 170370), (270, 105377), (334, 85185), (501, 56790), (631, 45090), (835, 34074), (1002, 28395), (1262, 22545), (1503, 18930), (1670, 17037), (1893, 15030), (2505, 11358), (3006, 9465), (3155, 9018), (3786, 7515), (4509, 6310), (5010, 5679)]