28308420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{7489}}^1$

素因数の和:7514

約数の個数: 96

約数和(自身を含む): 100665600

約数和(自身を除く): 72357180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 7489, 14978, 22467, 29956, 37445, 44934, 52423, 67401, 74890, 89868, 104846, 112335, 134802, 149780, 157269, 202203, 209692, 224670, 262115, 269604, 314538, 337005, 404406, 449340, 471807, 524230, 629076, 674010, 786345, 808812, 943614, 1011015, 1048460, 1348020, 1415421, 1572690, 1887228, 2022030, 2359035, 2830842, 3145380, 4044060, 4718070, 5661684, 7077105, 9436140, 14154210, 28308420]

約数ペア:

[(1, 28308420), (2, 14154210), (3, 9436140), (4, 7077105), (5, 5661684), (6, 4718070), (7, 4044060), (9, 3145380), (10, 2830842), (12, 2359035), (14, 2022030), (15, 1887228), (18, 1572690), (20, 1415421), (21, 1348020), (27, 1048460), (28, 1011015), (30, 943614), (35, 808812), (36, 786345), (42, 674010), (45, 629076), (54, 524230), (60, 471807), (63, 449340), (70, 404406), (84, 337005), (90, 314538), (105, 269604), (108, 262115), (126, 224670), (135, 209692), (140, 202203), (180, 157269), (189, 149780), (210, 134802), (252, 112335), (270, 104846), (315, 89868), (378, 74890), (420, 67401), (540, 52423), (630, 44934), (756, 37445), (945, 29956), (1260, 22467), (1890, 14978), (3780, 7489)]