68920380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 224550144

約数和(自身を除く): 155629764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 101, 102, 153, 170, 180, 202, 204, 223, 255, 303, 306, 340, 404, 446, 505, 510, 606, 612, 669, 765, 892, 909, 1010, 1020, 1115, 1212, 1338, 1515, 1530, 1717, 1818, 2007, 2020, 2230, 2676, 3030, 3060, 3345, 3434, 3636, 3791, 4014, 4460, 4545, 5151, 6060, 6690, 6868, 7582, 8028, 8585, 9090, 10035, 10302, 11373, 13380, 15164, 15453, 17170, 18180, 18955, 20070, 20604, 22523, 22746, 25755, 30906, 34119, 34340, 37910, 40140, 45046, 45492, 51510, 56865, 61812, 67569, 68238, 75820, 77265, 90092, 103020, 112615, 113730, 135138, 136476, 154530, 170595, 202707, 225230, 227460, 270276, 309060, 337845, 341190, 382891, 405414, 450460, 675690, 682380, 765782, 810828, 1013535, 1148673, 1351380, 1531564, 1914455, 2027070, 2297346, 3446019, 3828910, 4054140, 4594692, 5743365, 6892038, 7657820, 11486730, 13784076, 17230095, 22973460, 34460190, 68920380]

約数ペア:

[(1, 68920380), (2, 34460190), (3, 22973460), (4, 17230095), (5, 13784076), (6, 11486730), (9, 7657820), (10, 6892038), (12, 5743365), (15, 4594692), (17, 4054140), (18, 3828910), (20, 3446019), (30, 2297346), (34, 2027070), (36, 1914455), (45, 1531564), (51, 1351380), (60, 1148673), (68, 1013535), (85, 810828), (90, 765782), (101, 682380), (102, 675690), (153, 450460), (170, 405414), (180, 382891), (202, 341190), (204, 337845), (223, 309060), (255, 270276), (303, 227460), (306, 225230), (340, 202707), (404, 170595), (446, 154530), (505, 136476), (510, 135138), (606, 113730), (612, 112615), (669, 103020), (765, 90092), (892, 77265), (909, 75820), (1010, 68238), (1020, 67569), (1115, 61812), (1212, 56865), (1338, 51510), (1515, 45492), (1530, 45046), (1717, 40140), (1818, 37910), (2007, 34340), (2020, 34119), (2230, 30906), (2676, 25755), (3030, 22746), (3060, 22523), (3345, 20604), (3434, 20070), (3636, 18955), (3791, 18180), (4014, 17170), (4460, 15453), (4545, 15164), (5151, 13380), (6060, 11373), (6690, 10302), (6868, 10035), (7582, 9090), (8028, 8585)]