51371320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1283}}^1$

素因数の和:1325

約数の個数: 128

約数和(自身を含む): 155312640

約数和(自身を除く): 103941320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1283, 1430, 1540, 1820, 2002, 2566, 2860, 3080, 3640, 4004, 5005, 5132, 5720, 6415, 8008, 8981, 10010, 10264, 12830, 14113, 16679, 17962, 20020, 25660, 28226, 33358, 35924, 40040, 44905, 51320, 56452, 66716, 70565, 71848, 83395, 89810, 98791, 112904, 116753, 133432, 141130, 166790, 179620, 183469, 197582, 233506, 282260, 333580, 359240, 366938, 395164, 467012, 493955, 564520, 583765, 667160, 733876, 790328, 917345, 934024, 987910, 1167530, 1284283, 1467752, 1834690, 1975820, 2335060, 2568566, 3669380, 3951640, 4670120, 5137132, 6421415, 7338760, 10274264, 12842830, 25685660, 51371320]

約数ペア:

[(1, 51371320), (2, 25685660), (4, 12842830), (5, 10274264), (7, 7338760), (8, 6421415), (10, 5137132), (11, 4670120), (13, 3951640), (14, 3669380), (20, 2568566), (22, 2335060), (26, 1975820), (28, 1834690), (35, 1467752), (40, 1284283), (44, 1167530), (52, 987910), (55, 934024), (56, 917345), (65, 790328), (70, 733876), (77, 667160), (88, 583765), (91, 564520), (104, 493955), (110, 467012), (130, 395164), (140, 366938), (143, 359240), (154, 333580), (182, 282260), (220, 233506), (260, 197582), (280, 183469), (286, 179620), (308, 166790), (364, 141130), (385, 133432), (440, 116753), (455, 112904), (520, 98791), (572, 89810), (616, 83395), (715, 71848), (728, 70565), (770, 66716), (910, 56452), (1001, 51320), (1144, 44905), (1283, 40040), (1430, 35924), (1540, 33358), (1820, 28226), (2002, 25660), (2566, 20020), (2860, 17962), (3080, 16679), (3640, 14113), (4004, 12830), (5005, 10264), (5132, 10010), (5720, 8981), (6415, 8008)]