247406670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1657}}^1$

素因数の和:1759

約数の個数: 128

約数和(自身を含む): 764006400

約数和(自身を除く): 516599730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 79, 90, 105, 126, 135, 158, 189, 210, 237, 270, 315, 378, 395, 474, 553, 630, 711, 790, 945, 1106, 1185, 1422, 1657, 1659, 1890, 2133, 2370, 2765, 3314, 3318, 3555, 4266, 4971, 4977, 5530, 7110, 8285, 8295, 9942, 9954, 10665, 11599, 14913, 14931, 16570, 16590, 21330, 23198, 24855, 24885, 29826, 29862, 34797, 44739, 49710, 49770, 57995, 69594, 74565, 74655, 89478, 104391, 115990, 130903, 149130, 149310, 173985, 208782, 223695, 261806, 313173, 347970, 392709, 447390, 521955, 626346, 654515, 785418, 916321, 1043910, 1178127, 1309030, 1565865, 1832642, 1963545, 2356254, 2748963, 3131730, 3534381, 3927090, 4581605, 5497926, 5890635, 7068762, 8246889, 9163210, 11781270, 13744815, 16493778, 17671905, 24740667, 27489630, 35343810, 41234445, 49481334, 82468890, 123703335, 247406670]

約数ペア:

[(1, 247406670), (2, 123703335), (3, 82468890), (5, 49481334), (6, 41234445), (7, 35343810), (9, 27489630), (10, 24740667), (14, 17671905), (15, 16493778), (18, 13744815), (21, 11781270), (27, 9163210), (30, 8246889), (35, 7068762), (42, 5890635), (45, 5497926), (54, 4581605), (63, 3927090), (70, 3534381), (79, 3131730), (90, 2748963), (105, 2356254), (126, 1963545), (135, 1832642), (158, 1565865), (189, 1309030), (210, 1178127), (237, 1043910), (270, 916321), (315, 785418), (378, 654515), (395, 626346), (474, 521955), (553, 447390), (630, 392709), (711, 347970), (790, 313173), (945, 261806), (1106, 223695), (1185, 208782), (1422, 173985), (1657, 149310), (1659, 149130), (1890, 130903), (2133, 115990), (2370, 104391), (2765, 89478), (3314, 74655), (3318, 74565), (3555, 69594), (4266, 57995), (4971, 49770), (4977, 49710), (5530, 44739), (7110, 34797), (8285, 29862), (8295, 29826), (9942, 24885), (9954, 24855), (10665, 23198), (11599, 21330), (14913, 16590), (14931, 16570)]