28839240

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 224

約数和(自身を含む): 103878720

約数和(自身を除く): 75039480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 43, 45, 46, 54, 60, 69, 72, 81, 86, 90, 92, 108, 115, 120, 129, 135, 138, 162, 172, 180, 184, 207, 215, 216, 230, 243, 258, 270, 276, 324, 344, 345, 360, 387, 405, 414, 430, 460, 486, 516, 540, 552, 621, 645, 648, 690, 729, 774, 810, 828, 860, 920, 972, 989, 1032, 1035, 1080, 1161, 1215, 1242, 1290, 1380, 1458, 1548, 1620, 1656, 1720, 1863, 1935, 1944, 1978, 2070, 2322, 2430, 2484, 2580, 2760, 2916, 2967, 3096, 3105, 3240, 3483, 3645, 3726, 3870, 3956, 4140, 4644, 4860, 4945, 4968, 5160, 5589, 5805, 5832, 5934, 6210, 6966, 7290, 7452, 7740, 7912, 8280, 8901, 9288, 9315, 9720, 9890, 10449, 11178, 11610, 11868, 12420, 13932, 14580, 14835, 14904, 15480, 16767, 17415, 17802, 18630, 19780, 20898, 22356, 23220, 23736, 24840, 26703, 27864, 27945, 29160, 29670, 31347, 33534, 34830, 35604, 37260, 39560, 41796, 44505, 44712, 46440, 52245, 53406, 55890, 59340, 62694, 67068, 69660, 71208, 74520, 80109, 83592, 83835, 89010, 104490, 106812, 111780, 118680, 125388, 133515, 134136, 139320, 156735, 160218, 167670, 178020, 208980, 213624, 223560, 240327, 250776, 267030, 313470, 320436, 335340, 356040, 400545, 417960, 480654, 534060, 626940, 640872, 670680, 720981, 801090, 961308, 1068120, 1201635, 1253880, 1441962, 1602180, 1922616, 2403270, 2883924, 3204360, 3604905, 4806540, 5767848, 7209810, 9613080, 14419620, 28839240]

約数ペア:

[(1, 28839240), (2, 14419620), (3, 9613080), (4, 7209810), (5, 5767848), (6, 4806540), (8, 3604905), (9, 3204360), (10, 2883924), (12, 2403270), (15, 1922616), (18, 1602180), (20, 1441962), (23, 1253880), (24, 1201635), (27, 1068120), (30, 961308), (36, 801090), (40, 720981), (43, 670680), (45, 640872), (46, 626940), (54, 534060), (60, 480654), (69, 417960), (72, 400545), (81, 356040), (86, 335340), (90, 320436), (92, 313470), (108, 267030), (115, 250776), (120, 240327), (129, 223560), (135, 213624), (138, 208980), (162, 178020), (172, 167670), (180, 160218), (184, 156735), (207, 139320), (215, 134136), (216, 133515), (230, 125388), (243, 118680), (258, 111780), (270, 106812), (276, 104490), (324, 89010), (344, 83835), (345, 83592), (360, 80109), (387, 74520), (405, 71208), (414, 69660), (430, 67068), (460, 62694), (486, 59340), (516, 55890), (540, 53406), (552, 52245), (621, 46440), (645, 44712), (648, 44505), (690, 41796), (729, 39560), (774, 37260), (810, 35604), (828, 34830), (860, 33534), (920, 31347), (972, 29670), (989, 29160), (1032, 27945), (1035, 27864), (1080, 26703), (1161, 24840), (1215, 23736), (1242, 23220), (1290, 22356), (1380, 20898), (1458, 19780), (1548, 18630), (1620, 17802), (1656, 17415), (1720, 16767), (1863, 15480), (1935, 14904), (1944, 14835), (1978, 14580), (2070, 13932), (2322, 12420), (2430, 11868), (2484, 11610), (2580, 11178), (2760, 10449), (2916, 9890), (2967, 9720), (3096, 9315), (3105, 9288), (3240, 8901), (3483, 8280), (3645, 7912), (3726, 7740), (3870, 7452), (3956, 7290), (4140, 6966), (4644, 6210), (4860, 5934), (4945, 5832), (4968, 5805), (5160, 5589)]