81902730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1628

約数の個数: 128

約数和(自身を含む): 254822400

約数和(自身を除く): 172919670

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 114, 130, 133, 182, 190, 195, 210, 247, 266, 273, 285, 390, 399, 455, 494, 546, 570, 665, 741, 798, 910, 1235, 1330, 1365, 1482, 1579, 1729, 1995, 2470, 2730, 3158, 3458, 3705, 3990, 4737, 5187, 7410, 7895, 8645, 9474, 10374, 11053, 15790, 17290, 20527, 22106, 23685, 25935, 30001, 33159, 41054, 47370, 51870, 55265, 60002, 61581, 66318, 90003, 102635, 110530, 123162, 143689, 150005, 165795, 180006, 205270, 210007, 287378, 300010, 307905, 331590, 390013, 420014, 431067, 450015, 615810, 630021, 718445, 780026, 862134, 900030, 1050035, 1170039, 1260042, 1436890, 1950065, 2100070, 2155335, 2340078, 2730091, 3150105, 3900130, 4310670, 5460182, 5850195, 6300210, 8190273, 11700390, 13650455, 16380546, 27300910, 40951365, 81902730]

約数ペア:

[(1, 81902730), (2, 40951365), (3, 27300910), (5, 16380546), (6, 13650455), (7, 11700390), (10, 8190273), (13, 6300210), (14, 5850195), (15, 5460182), (19, 4310670), (21, 3900130), (26, 3150105), (30, 2730091), (35, 2340078), (38, 2155335), (39, 2100070), (42, 1950065), (57, 1436890), (65, 1260042), (70, 1170039), (78, 1050035), (91, 900030), (95, 862134), (105, 780026), (114, 718445), (130, 630021), (133, 615810), (182, 450015), (190, 431067), (195, 420014), (210, 390013), (247, 331590), (266, 307905), (273, 300010), (285, 287378), (390, 210007), (399, 205270), (455, 180006), (494, 165795), (546, 150005), (570, 143689), (665, 123162), (741, 110530), (798, 102635), (910, 90003), (1235, 66318), (1330, 61581), (1365, 60002), (1482, 55265), (1579, 51870), (1729, 47370), (1995, 41054), (2470, 33159), (2730, 30001), (3158, 25935), (3458, 23685), (3705, 22106), (3990, 20527), (4737, 17290), (5187, 15790), (7410, 11053), (7895, 10374), (8645, 9474)]