20120690310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{643039}}^1$

素因数の和:643205

約数の個数: 64

約数和(自身を含む): 55558656000

約数和(自身を除く): 35437965690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 745, 894, 1043, 1490, 2086, 2235, 3129, 4470, 5215, 6258, 10430, 15645, 31290, 643039, 1286078, 1929117, 3215195, 3858234, 4501273, 6430390, 9002546, 9645585, 13503819, 19291170, 22506365, 27007638, 45012730, 67519095, 95812811, 135038190, 191625622, 287438433, 479064055, 574876866, 670689677, 958128110, 1341379354, 1437192165, 2012069031, 2874384330, 3353448385, 4024138062, 6706896770, 10060345155, 20120690310]

約数ペア:

[(1, 20120690310), (2, 10060345155), (3, 6706896770), (5, 4024138062), (6, 3353448385), (7, 2874384330), (10, 2012069031), (14, 1437192165), (15, 1341379354), (21, 958128110), (30, 670689677), (35, 574876866), (42, 479064055), (70, 287438433), (105, 191625622), (149, 135038190), (210, 95812811), (298, 67519095), (447, 45012730), (745, 27007638), (894, 22506365), (1043, 19291170), (1490, 13503819), (2086, 9645585), (2235, 9002546), (3129, 6430390), (4470, 4501273), (5215, 3858234), (6258, 3215195), (10430, 1929117), (15645, 1286078), (31290, 643039)]