31486800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1421

約数の個数: 120

約数和(自身を含む): 106248160

約数和(自身を除く): 74761360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 190, 200, 228, 240, 285, 300, 304, 380, 400, 456, 475, 570, 600, 760, 912, 950, 1140, 1200, 1381, 1425, 1520, 1900, 2280, 2762, 2850, 3800, 4143, 4560, 5524, 5700, 6905, 7600, 8286, 11048, 11400, 13810, 16572, 20715, 22096, 22800, 26239, 27620, 33144, 34525, 41430, 52478, 55240, 66288, 69050, 78717, 82860, 103575, 104956, 110480, 131195, 138100, 157434, 165720, 207150, 209912, 262390, 276200, 314868, 331440, 393585, 414300, 419824, 524780, 552400, 629736, 655975, 787170, 828600, 1049560, 1259472, 1311950, 1574340, 1657200, 1967925, 2099120, 2623900, 3148680, 3935850, 5247800, 6297360, 7871700, 10495600, 15743400, 31486800]

約数ペア:

[(1, 31486800), (2, 15743400), (3, 10495600), (4, 7871700), (5, 6297360), (6, 5247800), (8, 3935850), (10, 3148680), (12, 2623900), (15, 2099120), (16, 1967925), (19, 1657200), (20, 1574340), (24, 1311950), (25, 1259472), (30, 1049560), (38, 828600), (40, 787170), (48, 655975), (50, 629736), (57, 552400), (60, 524780), (75, 419824), (76, 414300), (80, 393585), (95, 331440), (100, 314868), (114, 276200), (120, 262390), (150, 209912), (152, 207150), (190, 165720), (200, 157434), (228, 138100), (240, 131195), (285, 110480), (300, 104956), (304, 103575), (380, 82860), (400, 78717), (456, 69050), (475, 66288), (570, 55240), (600, 52478), (760, 41430), (912, 34525), (950, 33144), (1140, 27620), (1200, 26239), (1381, 22800), (1425, 22096), (1520, 20715), (1900, 16572), (2280, 13810), (2762, 11400), (2850, 11048), (3800, 8286), (4143, 7600), (4560, 6905), (5524, 5700)]