55516020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 144

約数和(自身を含む): 188915328

約数和(自身を除く): 133399308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 821, 966, 980, 1127, 1380, 1470, 1610, 1642, 1932, 2254, 2415, 2463, 2940, 3220, 3284, 3381, 4105, 4508, 4830, 4926, 5635, 5747, 6762, 8210, 9660, 9852, 11270, 11494, 12315, 13524, 16420, 16905, 17241, 18883, 22540, 22988, 24630, 28735, 33810, 34482, 37766, 40229, 49260, 56649, 57470, 67620, 68964, 75532, 80458, 86205, 94415, 113298, 114940, 120687, 132181, 160916, 172410, 188830, 201145, 226596, 241374, 264362, 283245, 344820, 377660, 396543, 402290, 482748, 528724, 566490, 603435, 660905, 793086, 804580, 925267, 1132980, 1206870, 1321810, 1586172, 1850534, 1982715, 2413740, 2643620, 2775801, 3701068, 3965430, 4626335, 5551602, 7930860, 9252670, 11103204, 13879005, 18505340, 27758010, 55516020]

約数ペア:

[(1, 55516020), (2, 27758010), (3, 18505340), (4, 13879005), (5, 11103204), (6, 9252670), (7, 7930860), (10, 5551602), (12, 4626335), (14, 3965430), (15, 3701068), (20, 2775801), (21, 2643620), (23, 2413740), (28, 1982715), (30, 1850534), (35, 1586172), (42, 1321810), (46, 1206870), (49, 1132980), (60, 925267), (69, 804580), (70, 793086), (84, 660905), (92, 603435), (98, 566490), (105, 528724), (115, 482748), (138, 402290), (140, 396543), (147, 377660), (161, 344820), (196, 283245), (210, 264362), (230, 241374), (245, 226596), (276, 201145), (294, 188830), (322, 172410), (345, 160916), (420, 132181), (460, 120687), (483, 114940), (490, 113298), (588, 94415), (644, 86205), (690, 80458), (735, 75532), (805, 68964), (821, 67620), (966, 57470), (980, 56649), (1127, 49260), (1380, 40229), (1470, 37766), (1610, 34482), (1642, 33810), (1932, 28735), (2254, 24630), (2415, 22988), (2463, 22540), (2940, 18883), (3220, 17241), (3284, 16905), (3381, 16420), (4105, 13524), (4508, 12315), (4830, 11494), (4926, 11270), (5635, 9852), (5747, 9660), (6762, 8210)]