28321560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 92832480

約数和(自身を除く): 64510920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 151, 180, 302, 360, 453, 521, 604, 755, 906, 1042, 1208, 1359, 1510, 1563, 1812, 2084, 2265, 2605, 2718, 3020, 3126, 3624, 4168, 4530, 4689, 5210, 5436, 6040, 6252, 6795, 7815, 9060, 9378, 10420, 10872, 12504, 13590, 15630, 18120, 18756, 20840, 23445, 27180, 31260, 37512, 46890, 54360, 62520, 78671, 93780, 157342, 187560, 236013, 314684, 393355, 472026, 629368, 708039, 786710, 944052, 1180065, 1416078, 1573420, 1888104, 2360130, 2832156, 3146840, 3540195, 4720260, 5664312, 7080390, 9440520, 14160780, 28321560]

約数ペア:

[(1, 28321560), (2, 14160780), (3, 9440520), (4, 7080390), (5, 5664312), (6, 4720260), (8, 3540195), (9, 3146840), (10, 2832156), (12, 2360130), (15, 1888104), (18, 1573420), (20, 1416078), (24, 1180065), (30, 944052), (36, 786710), (40, 708039), (45, 629368), (60, 472026), (72, 393355), (90, 314684), (120, 236013), (151, 187560), (180, 157342), (302, 93780), (360, 78671), (453, 62520), (521, 54360), (604, 46890), (755, 37512), (906, 31260), (1042, 27180), (1208, 23445), (1359, 20840), (1510, 18756), (1563, 18120), (1812, 15630), (2084, 13590), (2265, 12504), (2605, 10872), (2718, 10420), (3020, 9378), (3126, 9060), (3624, 7815), (4168, 6795), (4530, 6252), (4689, 6040), (5210, 5436)]