210378420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{166967}}^1$

素因数の和:166989

約数の個数: 72

約数和(自身を含む): 729316224

約数和(自身を除く): 518937804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 166967, 333934, 500901, 667868, 834835, 1001802, 1168769, 1502703, 1669670, 2003604, 2337538, 2504505, 3005406, 3339340, 3506307, 4675076, 5009010, 5843845, 6010812, 7012614, 7513515, 10018020, 10518921, 11687690, 14025228, 15027030, 17531535, 21037842, 23375380, 30054060, 35063070, 42075684, 52594605, 70126140, 105189210, 210378420]

約数ペア:

[(1, 210378420), (2, 105189210), (3, 70126140), (4, 52594605), (5, 42075684), (6, 35063070), (7, 30054060), (9, 23375380), (10, 21037842), (12, 17531535), (14, 15027030), (15, 14025228), (18, 11687690), (20, 10518921), (21, 10018020), (28, 7513515), (30, 7012614), (35, 6010812), (36, 5843845), (42, 5009010), (45, 4675076), (60, 3506307), (63, 3339340), (70, 3005406), (84, 2504505), (90, 2337538), (105, 2003604), (126, 1669670), (140, 1502703), (180, 1168769), (210, 1001802), (252, 834835), (315, 667868), (420, 500901), (630, 333934), (1260, 166967)]