28783770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 72192384

約数和(自身を除く): 43408614

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 53, 86, 106, 129, 159, 215, 258, 265, 318, 421, 430, 530, 645, 795, 842, 1263, 1290, 1590, 2105, 2279, 2526, 4210, 4558, 6315, 6837, 11395, 12630, 13674, 18103, 22313, 22790, 34185, 36206, 44626, 54309, 66939, 68370, 90515, 108618, 111565, 133878, 181030, 223130, 271545, 334695, 543090, 669390, 959459, 1918918, 2878377, 4797295, 5756754, 9594590, 14391885, 28783770]

約数ペア:

[(1, 28783770), (2, 14391885), (3, 9594590), (5, 5756754), (6, 4797295), (10, 2878377), (15, 1918918), (30, 959459), (43, 669390), (53, 543090), (86, 334695), (106, 271545), (129, 223130), (159, 181030), (215, 133878), (258, 111565), (265, 108618), (318, 90515), (421, 68370), (430, 66939), (530, 54309), (645, 44626), (795, 36206), (842, 34185), (1263, 22790), (1290, 22313), (1590, 18103), (2105, 13674), (2279, 12630), (2526, 11395), (4210, 6837), (4558, 6315)]