30021498

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 72

約数和(自身を含む): 71940960

約数和(自身を除く): 41919462

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 139, 142, 169, 213, 234, 278, 338, 417, 426, 507, 639, 834, 923, 1014, 1251, 1278, 1521, 1807, 1846, 2502, 2769, 3042, 3614, 5421, 5538, 8307, 9869, 10842, 11999, 16263, 16614, 19738, 23491, 23998, 29607, 32526, 35997, 46982, 59214, 70473, 71994, 88821, 107991, 128297, 140946, 177642, 211419, 215982, 256594, 384891, 422838, 769782, 1154673, 1667861, 2309346, 3335722, 5003583, 10007166, 15010749, 30021498]

約数ペア:

[(1, 30021498), (2, 15010749), (3, 10007166), (6, 5003583), (9, 3335722), (13, 2309346), (18, 1667861), (26, 1154673), (39, 769782), (71, 422838), (78, 384891), (117, 256594), (139, 215982), (142, 211419), (169, 177642), (213, 140946), (234, 128297), (278, 107991), (338, 88821), (417, 71994), (426, 70473), (507, 59214), (639, 46982), (834, 35997), (923, 32526), (1014, 29607), (1251, 23998), (1278, 23491), (1521, 19738), (1807, 16614), (1846, 16263), (2502, 11999), (2769, 10842), (3042, 9869), (3614, 8307), (5421, 5538)]