309142960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4639}}^1$

素因数の和:4683

約数の個数: 120

約数和(自身を含む): 885479040

約数和(自身を除く): 576336080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 272, 280, 340, 392, 476, 490, 560, 595, 680, 784, 833, 952, 980, 1190, 1360, 1666, 1904, 1960, 2380, 3332, 3920, 4165, 4639, 4760, 6664, 8330, 9278, 9520, 13328, 16660, 18556, 23195, 32473, 33320, 37112, 46390, 64946, 66640, 74224, 78863, 92780, 129892, 157726, 162365, 185560, 227311, 259784, 315452, 324730, 371120, 394315, 454622, 519568, 552041, 630904, 649460, 788630, 909244, 1104082, 1136555, 1261808, 1298920, 1577260, 1818488, 2208164, 2273110, 2597840, 2760205, 3154520, 3636976, 3864287, 4416328, 4546220, 5520410, 6309040, 7728574, 8832656, 9092440, 11040820, 15457148, 18184880, 19321435, 22081640, 30914296, 38642870, 44163280, 61828592, 77285740, 154571480, 309142960]

約数ペア:

[(1, 309142960), (2, 154571480), (4, 77285740), (5, 61828592), (7, 44163280), (8, 38642870), (10, 30914296), (14, 22081640), (16, 19321435), (17, 18184880), (20, 15457148), (28, 11040820), (34, 9092440), (35, 8832656), (40, 7728574), (49, 6309040), (56, 5520410), (68, 4546220), (70, 4416328), (80, 3864287), (85, 3636976), (98, 3154520), (112, 2760205), (119, 2597840), (136, 2273110), (140, 2208164), (170, 1818488), (196, 1577260), (238, 1298920), (245, 1261808), (272, 1136555), (280, 1104082), (340, 909244), (392, 788630), (476, 649460), (490, 630904), (560, 552041), (595, 519568), (680, 454622), (784, 394315), (833, 371120), (952, 324730), (980, 315452), (1190, 259784), (1360, 227311), (1666, 185560), (1904, 162365), (1960, 157726), (2380, 129892), (3332, 92780), (3920, 78863), (4165, 74224), (4639, 66640), (4760, 64946), (6664, 46390), (8330, 37112), (9278, 33320), (9520, 32473), (13328, 23195), (16660, 18556)]