1553204360

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1\times {\mathrm{773}}^1$

素因数の和:1238

約数の個数: 64

約数和(自身を含む): 3530926080

約数和(自身を除く): 1977721720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 263, 382, 526, 764, 773, 955, 1052, 1315, 1528, 1546, 1910, 2104, 2630, 3092, 3820, 3865, 5260, 6184, 7640, 7730, 10520, 15460, 30920, 50233, 100466, 147643, 200932, 203299, 251165, 295286, 401864, 406598, 502330, 590572, 738215, 813196, 1004660, 1016495, 1181144, 1476430, 1626392, 2009320, 2032990, 2952860, 4065980, 5905720, 8131960, 38830109, 77660218, 155320436, 194150545, 310640872, 388301090, 776602180, 1553204360]

約数ペア:

[(1, 1553204360), (2, 776602180), (4, 388301090), (5, 310640872), (8, 194150545), (10, 155320436), (20, 77660218), (40, 38830109), (191, 8131960), (263, 5905720), (382, 4065980), (526, 2952860), (764, 2032990), (773, 2009320), (955, 1626392), (1052, 1476430), (1315, 1181144), (1528, 1016495), (1546, 1004660), (1910, 813196), (2104, 738215), (2630, 590572), (3092, 502330), (3820, 406598), (3865, 401864), (5260, 295286), (6184, 251165), (7640, 203299), (7730, 200932), (10520, 147643), (15460, 100466), (30920, 50233)]