261413080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12401}}^1$

素因数の和:12460

約数の個数: 64

約数和(自身を含む): 642919680

約数和(自身を除く): 381506600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 12401, 21080, 24802, 49604, 62005, 99208, 124010, 210817, 248020, 384431, 421634, 496040, 768862, 843268, 1054085, 1537724, 1686536, 1922155, 2108170, 3075448, 3844310, 4216340, 6535327, 7688620, 8432680, 13070654, 15377240, 26141308, 32676635, 52282616, 65353270, 130706540, 261413080]

約数ペア:

[(1, 261413080), (2, 130706540), (4, 65353270), (5, 52282616), (8, 32676635), (10, 26141308), (17, 15377240), (20, 13070654), (31, 8432680), (34, 7688620), (40, 6535327), (62, 4216340), (68, 3844310), (85, 3075448), (124, 2108170), (136, 1922155), (155, 1686536), (170, 1537724), (248, 1054085), (310, 843268), (340, 768862), (527, 496040), (620, 421634), (680, 384431), (1054, 248020), (1240, 210817), (2108, 124010), (2635, 99208), (4216, 62005), (5270, 49604), (10540, 24802), (12401, 21080)]