680348340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{77137}}^1$

素因数の和:77166

約数の個数: 108

約数和(自身を含む): 2400688836

約数和(自身を除く): 1720340496

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 77137, 154274, 231411, 308548, 385685, 462822, 539959, 694233, 771370, 925644, 1079918, 1157055, 1388466, 1542740, 1619877, 2159836, 2314110, 2699795, 2776932, 3239754, 3471165, 3779713, 4628220, 4859631, 5399590, 6479508, 6942330, 7559426, 8099385, 9719262, 10799180, 11339139, 13884660, 15118852, 16198770, 18898565, 19438524, 22678278, 24298155, 32397540, 34017417, 37797130, 45356556, 48596310, 56695695, 68034834, 75594260, 97192620, 113391390, 136069668, 170087085, 226782780, 340174170, 680348340]

約数ペア:

[(1, 680348340), (2, 340174170), (3, 226782780), (4, 170087085), (5, 136069668), (6, 113391390), (7, 97192620), (9, 75594260), (10, 68034834), (12, 56695695), (14, 48596310), (15, 45356556), (18, 37797130), (20, 34017417), (21, 32397540), (28, 24298155), (30, 22678278), (35, 19438524), (36, 18898565), (42, 16198770), (45, 15118852), (49, 13884660), (60, 11339139), (63, 10799180), (70, 9719262), (84, 8099385), (90, 7559426), (98, 6942330), (105, 6479508), (126, 5399590), (140, 4859631), (147, 4628220), (180, 3779713), (196, 3471165), (210, 3239754), (245, 2776932), (252, 2699795), (294, 2314110), (315, 2159836), (420, 1619877), (441, 1542740), (490, 1388466), (588, 1157055), (630, 1079918), (735, 925644), (882, 771370), (980, 694233), (1260, 539959), (1470, 462822), (1764, 385685), (2205, 308548), (2940, 231411), (4410, 154274), (8820, 77137)]