1212456840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1443401}}^1$

素因数の和:1443422

約数の個数: 64

約数和(自身を含む): 4156997760

約数和(自身を除く): 2944540920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1443401, 2886802, 4330203, 5773604, 7217005, 8660406, 10103807, 11547208, 14434010, 17320812, 20207614, 21651015, 28868020, 30311421, 34641624, 40415228, 43302030, 50519035, 57736040, 60622842, 80830456, 86604060, 101038070, 121245684, 151557105, 173208120, 202076140, 242491368, 303114210, 404152280, 606228420, 1212456840]

約数ペア:

[(1, 1212456840), (2, 606228420), (3, 404152280), (4, 303114210), (5, 242491368), (6, 202076140), (7, 173208120), (8, 151557105), (10, 121245684), (12, 101038070), (14, 86604060), (15, 80830456), (20, 60622842), (21, 57736040), (24, 50519035), (28, 43302030), (30, 40415228), (35, 34641624), (40, 30311421), (42, 28868020), (56, 21651015), (60, 20207614), (70, 17320812), (84, 14434010), (105, 11547208), (120, 10103807), (140, 8660406), (168, 7217005), (210, 5773604), (280, 4330203), (420, 2886802), (840, 1443401)]