30680260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 72402120

約数和(自身を除く): 41721860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 313, 338, 377, 580, 626, 676, 754, 845, 1252, 1508, 1565, 1690, 1885, 3130, 3380, 3770, 4069, 4901, 6260, 7540, 8138, 9077, 9802, 16276, 18154, 19604, 20345, 24505, 36308, 40690, 45385, 49010, 52897, 81380, 90770, 98020, 105794, 118001, 181540, 211588, 236002, 264485, 472004, 528970, 590005, 1057940, 1180010, 1534013, 2360020, 3068026, 6136052, 7670065, 15340130, 30680260]

約数ペア:

[(1, 30680260), (2, 15340130), (4, 7670065), (5, 6136052), (10, 3068026), (13, 2360020), (20, 1534013), (26, 1180010), (29, 1057940), (52, 590005), (58, 528970), (65, 472004), (116, 264485), (130, 236002), (145, 211588), (169, 181540), (260, 118001), (290, 105794), (313, 98020), (338, 90770), (377, 81380), (580, 52897), (626, 49010), (676, 45385), (754, 40690), (845, 36308), (1252, 24505), (1508, 20345), (1565, 19604), (1690, 18154), (1885, 16276), (3130, 9802), (3380, 9077), (3770, 8138), (4069, 7540), (4901, 6260)]