651258240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{787}}^1$

素因数の和:1240

約数の個数: 128

約数和(自身を含む): 2083345920

約数和(自身を除く): 1432087680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 431, 480, 640, 787, 862, 960, 1293, 1574, 1724, 1920, 2155, 2361, 2586, 3148, 3448, 3935, 4310, 4722, 5172, 6296, 6465, 6896, 7870, 8620, 9444, 10344, 11805, 12592, 12930, 13792, 15740, 17240, 18888, 20688, 23610, 25184, 25860, 27584, 31480, 34480, 37776, 41376, 47220, 50368, 51720, 55168, 62960, 68960, 75552, 82752, 94440, 100736, 103440, 125920, 137920, 151104, 165504, 188880, 206880, 251840, 275840, 302208, 339197, 377760, 413760, 503680, 678394, 755520, 827520, 1017591, 1356788, 1511040, 1695985, 2035182, 2713576, 3391970, 4070364, 5087955, 5427152, 6783940, 8140728, 10175910, 10854304, 13567880, 16281456, 20351820, 21708608, 27135760, 32562912, 40703640, 43417216, 54271520, 65125824, 81407280, 108543040, 130251648, 162814560, 217086080, 325629120, 651258240]

約数ペア:

[(1, 651258240), (2, 325629120), (3, 217086080), (4, 162814560), (5, 130251648), (6, 108543040), (8, 81407280), (10, 65125824), (12, 54271520), (15, 43417216), (16, 40703640), (20, 32562912), (24, 27135760), (30, 21708608), (32, 20351820), (40, 16281456), (48, 13567880), (60, 10854304), (64, 10175910), (80, 8140728), (96, 6783940), (120, 5427152), (128, 5087955), (160, 4070364), (192, 3391970), (240, 2713576), (320, 2035182), (384, 1695985), (431, 1511040), (480, 1356788), (640, 1017591), (787, 827520), (862, 755520), (960, 678394), (1293, 503680), (1574, 413760), (1724, 377760), (1920, 339197), (2155, 302208), (2361, 275840), (2586, 251840), (3148, 206880), (3448, 188880), (3935, 165504), (4310, 151104), (4722, 137920), (5172, 125920), (6296, 103440), (6465, 100736), (6896, 94440), (7870, 82752), (8620, 75552), (9444, 68960), (10344, 62960), (11805, 55168), (12592, 51720), (12930, 50368), (13792, 47220), (15740, 41376), (17240, 37776), (18888, 34480), (20688, 31480), (23610, 27584), (25184, 25860)]