646880640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{48131}}^1$

素因数の和:48160

約数の個数: 128

約数和(自身を含む): 2356542720

約数和(自身を除く): 1709662080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 48131, 96262, 144393, 192524, 240655, 288786, 336917, 385048, 481310, 577572, 673834, 721965, 770096, 962620, 1010751, 1155144, 1347668, 1443930, 1540192, 1684585, 1925240, 2021502, 2310288, 2695336, 2887860, 3080384, 3369170, 3850480, 4043004, 4620576, 5053755, 5390672, 5775720, 6160768, 6738340, 7700960, 8086008, 9241152, 10107510, 10781344, 11551440, 13476680, 15401920, 16172016, 18482304, 20215020, 21562688, 23102880, 26953360, 30803840, 32344032, 40430040, 43125376, 46205760, 53906720, 64688064, 80860080, 92411520, 107813440, 129376128, 161720160, 215626880, 323440320, 646880640]

約数ペア:

[(1, 646880640), (2, 323440320), (3, 215626880), (4, 161720160), (5, 129376128), (6, 107813440), (7, 92411520), (8, 80860080), (10, 64688064), (12, 53906720), (14, 46205760), (15, 43125376), (16, 40430040), (20, 32344032), (21, 30803840), (24, 26953360), (28, 23102880), (30, 21562688), (32, 20215020), (35, 18482304), (40, 16172016), (42, 15401920), (48, 13476680), (56, 11551440), (60, 10781344), (64, 10107510), (70, 9241152), (80, 8086008), (84, 7700960), (96, 6738340), (105, 6160768), (112, 5775720), (120, 5390672), (128, 5053755), (140, 4620576), (160, 4043004), (168, 3850480), (192, 3369170), (210, 3080384), (224, 2887860), (240, 2695336), (280, 2310288), (320, 2021502), (336, 1925240), (384, 1684585), (420, 1540192), (448, 1443930), (480, 1347668), (560, 1155144), (640, 1010751), (672, 962620), (840, 770096), (896, 721965), (960, 673834), (1120, 577572), (1344, 481310), (1680, 385048), (1920, 336917), (2240, 288786), (2688, 240655), (3360, 192524), (4480, 144393), (6720, 96262), (13440, 48131)]