290306280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{761}}^1$

素因数の和:820

約数の個数: 192

約数和(自身を含む): 1010594880

約数和(自身を除く): 720288600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 17, 20, 22, 24, 30, 33, 34, 40, 44, 51, 55, 60, 66, 68, 85, 88, 102, 110, 120, 132, 136, 165, 170, 187, 204, 220, 255, 264, 289, 330, 340, 374, 408, 440, 510, 561, 578, 660, 680, 748, 761, 867, 935, 1020, 1122, 1156, 1320, 1445, 1496, 1522, 1734, 1870, 2040, 2244, 2283, 2312, 2805, 2890, 3044, 3179, 3468, 3740, 3805, 4335, 4488, 4566, 5610, 5780, 6088, 6358, 6936, 7480, 7610, 8371, 8670, 9132, 9537, 11220, 11415, 11560, 12716, 12937, 15220, 15895, 16742, 17340, 18264, 19074, 22440, 22830, 25113, 25432, 25874, 30440, 31790, 33484, 34680, 38148, 38811, 41855, 45660, 47685, 50226, 51748, 63580, 64685, 66968, 76296, 77622, 83710, 91320, 95370, 100452, 103496, 125565, 127160, 129370, 142307, 155244, 167420, 190740, 194055, 200904, 219929, 251130, 258740, 284614, 310488, 334840, 381480, 388110, 426921, 439858, 502260, 517480, 569228, 659787, 711535, 776220, 853842, 879716, 1004520, 1099645, 1138456, 1319574, 1423070, 1552440, 1707684, 1759432, 2134605, 2199290, 2419219, 2639148, 2846140, 3298935, 3415368, 4269210, 4398580, 4838438, 5278296, 5692280, 6597870, 7257657, 8538420, 8797160, 9676876, 12096095, 13195740, 14515314, 17076840, 19353752, 24192190, 26391480, 29030628, 36288285, 48384380, 58061256, 72576570, 96768760, 145153140, 290306280]

約数ペア:

[(1, 290306280), (2, 145153140), (3, 96768760), (4, 72576570), (5, 58061256), (6, 48384380), (8, 36288285), (10, 29030628), (11, 26391480), (12, 24192190), (15, 19353752), (17, 17076840), (20, 14515314), (22, 13195740), (24, 12096095), (30, 9676876), (33, 8797160), (34, 8538420), (40, 7257657), (44, 6597870), (51, 5692280), (55, 5278296), (60, 4838438), (66, 4398580), (68, 4269210), (85, 3415368), (88, 3298935), (102, 2846140), (110, 2639148), (120, 2419219), (132, 2199290), (136, 2134605), (165, 1759432), (170, 1707684), (187, 1552440), (204, 1423070), (220, 1319574), (255, 1138456), (264, 1099645), (289, 1004520), (330, 879716), (340, 853842), (374, 776220), (408, 711535), (440, 659787), (510, 569228), (561, 517480), (578, 502260), (660, 439858), (680, 426921), (748, 388110), (761, 381480), (867, 334840), (935, 310488), (1020, 284614), (1122, 258740), (1156, 251130), (1320, 219929), (1445, 200904), (1496, 194055), (1522, 190740), (1734, 167420), (1870, 155244), (2040, 142307), (2244, 129370), (2283, 127160), (2312, 125565), (2805, 103496), (2890, 100452), (3044, 95370), (3179, 91320), (3468, 83710), (3740, 77622), (3805, 76296), (4335, 66968), (4488, 64685), (4566, 63580), (5610, 51748), (5780, 50226), (6088, 47685), (6358, 45660), (6936, 41855), (7480, 38811), (7610, 38148), (8371, 34680), (8670, 33484), (9132, 31790), (9537, 30440), (11220, 25874), (11415, 25432), (11560, 25113), (12716, 22830), (12937, 22440), (15220, 19074), (15895, 18264), (16742, 17340)]