28538760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12517}}^1$

素因数の和:12550

約数の個数: 64

約数和(自身を含む): 90129600

約数和(自身を除く): 61590840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12517, 25034, 37551, 50068, 62585, 75102, 100136, 125170, 150204, 187755, 237823, 250340, 300408, 375510, 475646, 500680, 713469, 751020, 951292, 1189115, 1426938, 1502040, 1902584, 2378230, 2853876, 3567345, 4756460, 5707752, 7134690, 9512920, 14269380, 28538760]

約数ペア:

[(1, 28538760), (2, 14269380), (3, 9512920), (4, 7134690), (5, 5707752), (6, 4756460), (8, 3567345), (10, 2853876), (12, 2378230), (15, 1902584), (19, 1502040), (20, 1426938), (24, 1189115), (30, 951292), (38, 751020), (40, 713469), (57, 500680), (60, 475646), (76, 375510), (95, 300408), (114, 250340), (120, 237823), (152, 187755), (190, 150204), (228, 125170), (285, 100136), (380, 75102), (456, 62585), (570, 50068), (760, 37551), (1140, 25034), (2280, 12517)]