1310362620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{20939}}^1$

素因数の和:21107

約数の個数: 96

約数和(自身を含む): 4221504000

約数和(自身を除く): 2911141380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 596, 745, 894, 1043, 1490, 1788, 2086, 2235, 2980, 3129, 4172, 4470, 5215, 6258, 8940, 10430, 12516, 15645, 20860, 20939, 31290, 41878, 62580, 62817, 83756, 104695, 125634, 146573, 209390, 251268, 293146, 314085, 418780, 439719, 586292, 628170, 732865, 879438, 1256340, 1465730, 1758876, 2198595, 2931460, 3119911, 4397190, 6239822, 8794380, 9359733, 12479644, 15599555, 18719466, 21839377, 31199110, 37438932, 43678754, 46798665, 62398220, 65518131, 87357508, 93597330, 109196885, 131036262, 187194660, 218393770, 262072524, 327590655, 436787540, 655181310, 1310362620]

約数ペア:

[(1, 1310362620), (2, 655181310), (3, 436787540), (4, 327590655), (5, 262072524), (6, 218393770), (7, 187194660), (10, 131036262), (12, 109196885), (14, 93597330), (15, 87357508), (20, 65518131), (21, 62398220), (28, 46798665), (30, 43678754), (35, 37438932), (42, 31199110), (60, 21839377), (70, 18719466), (84, 15599555), (105, 12479644), (140, 9359733), (149, 8794380), (210, 6239822), (298, 4397190), (420, 3119911), (447, 2931460), (596, 2198595), (745, 1758876), (894, 1465730), (1043, 1256340), (1490, 879438), (1788, 732865), (2086, 628170), (2235, 586292), (2980, 439719), (3129, 418780), (4172, 314085), (4470, 293146), (5215, 251268), (6258, 209390), (8940, 146573), (10430, 125634), (12516, 104695), (15645, 83756), (20860, 62817), (20939, 62580), (31290, 41878)]