68688120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 220631040

約数和(自身を除く): 151942920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 328, 345, 410, 460, 492, 552, 607, 615, 690, 820, 920, 943, 984, 1214, 1230, 1380, 1640, 1821, 1886, 2428, 2460, 2760, 2829, 3035, 3642, 3772, 4715, 4856, 4920, 5658, 6070, 7284, 7544, 9105, 9430, 11316, 12140, 13961, 14145, 14568, 18210, 18860, 22632, 24280, 24887, 27922, 28290, 36420, 37720, 41883, 49774, 55844, 56580, 69805, 72840, 74661, 83766, 99548, 111688, 113160, 124435, 139610, 149322, 167532, 199096, 209415, 248870, 279220, 298644, 335064, 373305, 418830, 497740, 558440, 572401, 597288, 746610, 837660, 995480, 1144802, 1493220, 1675320, 1717203, 2289604, 2862005, 2986440, 3434406, 4579208, 5724010, 6868812, 8586015, 11448020, 13737624, 17172030, 22896040, 34344060, 68688120]

約数ペア:

[(1, 68688120), (2, 34344060), (3, 22896040), (4, 17172030), (5, 13737624), (6, 11448020), (8, 8586015), (10, 6868812), (12, 5724010), (15, 4579208), (20, 3434406), (23, 2986440), (24, 2862005), (30, 2289604), (40, 1717203), (41, 1675320), (46, 1493220), (60, 1144802), (69, 995480), (82, 837660), (92, 746610), (115, 597288), (120, 572401), (123, 558440), (138, 497740), (164, 418830), (184, 373305), (205, 335064), (230, 298644), (246, 279220), (276, 248870), (328, 209415), (345, 199096), (410, 167532), (460, 149322), (492, 139610), (552, 124435), (607, 113160), (615, 111688), (690, 99548), (820, 83766), (920, 74661), (943, 72840), (984, 69805), (1214, 56580), (1230, 55844), (1380, 49774), (1640, 41883), (1821, 37720), (1886, 36420), (2428, 28290), (2460, 27922), (2760, 24887), (2829, 24280), (3035, 22632), (3642, 18860), (3772, 18210), (4715, 14568), (4856, 14145), (4920, 13961), (5658, 12140), (6070, 11316), (7284, 9430), (7544, 9105)]