28458960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2$

素因数の和:193

約数の個数: 120

約数和(自身を含む): 94056480

約数和(自身を除く): 65597520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 79, 80, 95, 114, 120, 152, 158, 190, 228, 237, 240, 285, 304, 316, 380, 395, 456, 474, 570, 632, 760, 790, 912, 948, 1140, 1185, 1264, 1501, 1520, 1580, 1896, 2280, 2370, 3002, 3160, 3792, 4503, 4560, 4740, 6004, 6241, 6320, 7505, 9006, 9480, 12008, 12482, 15010, 18012, 18723, 18960, 22515, 24016, 24964, 30020, 31205, 36024, 37446, 45030, 49928, 60040, 62410, 72048, 74892, 90060, 93615, 99856, 118579, 120080, 124820, 149784, 180120, 187230, 237158, 249640, 299568, 355737, 360240, 374460, 474316, 499280, 592895, 711474, 748920, 948632, 1185790, 1422948, 1497840, 1778685, 1897264, 2371580, 2845896, 3557370, 4743160, 5691792, 7114740, 9486320, 14229480, 28458960]

約数ペア:

[(1, 28458960), (2, 14229480), (3, 9486320), (4, 7114740), (5, 5691792), (6, 4743160), (8, 3557370), (10, 2845896), (12, 2371580), (15, 1897264), (16, 1778685), (19, 1497840), (20, 1422948), (24, 1185790), (30, 948632), (38, 748920), (40, 711474), (48, 592895), (57, 499280), (60, 474316), (76, 374460), (79, 360240), (80, 355737), (95, 299568), (114, 249640), (120, 237158), (152, 187230), (158, 180120), (190, 149784), (228, 124820), (237, 120080), (240, 118579), (285, 99856), (304, 93615), (316, 90060), (380, 74892), (395, 72048), (456, 62410), (474, 60040), (570, 49928), (632, 45030), (760, 37446), (790, 36024), (912, 31205), (948, 30020), (1140, 24964), (1185, 24016), (1264, 22515), (1501, 18960), (1520, 18723), (1580, 18012), (1896, 15010), (2280, 12482), (2370, 12008), (3002, 9480), (3160, 9006), (3792, 7505), (4503, 6320), (4560, 6241), (4740, 6004)]