28427760

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 200

約数和(自身を含む): 102087216

約数和(自身を除く): 73659456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 41, 45, 48, 54, 60, 72, 80, 81, 82, 90, 107, 108, 120, 123, 135, 144, 162, 164, 180, 205, 214, 216, 240, 246, 270, 321, 324, 328, 360, 369, 405, 410, 428, 432, 492, 535, 540, 615, 642, 648, 656, 720, 738, 810, 820, 856, 963, 984, 1070, 1080, 1107, 1230, 1284, 1296, 1476, 1605, 1620, 1640, 1712, 1845, 1926, 1968, 2140, 2160, 2214, 2460, 2568, 2889, 2952, 3210, 3240, 3280, 3321, 3690, 3852, 4280, 4387, 4428, 4815, 4920, 5136, 5535, 5778, 5904, 6420, 6480, 6642, 7380, 7704, 8560, 8667, 8774, 8856, 9630, 9840, 11070, 11556, 12840, 13161, 13284, 14445, 14760, 15408, 16605, 17334, 17548, 17712, 19260, 21935, 22140, 23112, 25680, 26322, 26568, 28890, 29520, 33210, 34668, 35096, 38520, 39483, 43335, 43870, 44280, 46224, 52644, 53136, 57780, 65805, 66420, 69336, 70192, 77040, 78966, 86670, 87740, 88560, 105288, 115560, 118449, 131610, 132840, 138672, 157932, 173340, 175480, 197415, 210576, 231120, 236898, 263220, 265680, 315864, 346680, 350960, 355347, 394830, 473796, 526440, 592245, 631728, 693360, 710694, 789660, 947592, 1052880, 1184490, 1421388, 1579320, 1776735, 1895184, 2368980, 2842776, 3158640, 3553470, 4737960, 5685552, 7106940, 9475920, 14213880, 28427760]

約数ペア:

[(1, 28427760), (2, 14213880), (3, 9475920), (4, 7106940), (5, 5685552), (6, 4737960), (8, 3553470), (9, 3158640), (10, 2842776), (12, 2368980), (15, 1895184), (16, 1776735), (18, 1579320), (20, 1421388), (24, 1184490), (27, 1052880), (30, 947592), (36, 789660), (40, 710694), (41, 693360), (45, 631728), (48, 592245), (54, 526440), (60, 473796), (72, 394830), (80, 355347), (81, 350960), (82, 346680), (90, 315864), (107, 265680), (108, 263220), (120, 236898), (123, 231120), (135, 210576), (144, 197415), (162, 175480), (164, 173340), (180, 157932), (205, 138672), (214, 132840), (216, 131610), (240, 118449), (246, 115560), (270, 105288), (321, 88560), (324, 87740), (328, 86670), (360, 78966), (369, 77040), (405, 70192), (410, 69336), (428, 66420), (432, 65805), (492, 57780), (535, 53136), (540, 52644), (615, 46224), (642, 44280), (648, 43870), (656, 43335), (720, 39483), (738, 38520), (810, 35096), (820, 34668), (856, 33210), (963, 29520), (984, 28890), (1070, 26568), (1080, 26322), (1107, 25680), (1230, 23112), (1284, 22140), (1296, 21935), (1476, 19260), (1605, 17712), (1620, 17548), (1640, 17334), (1712, 16605), (1845, 15408), (1926, 14760), (1968, 14445), (2140, 13284), (2160, 13161), (2214, 12840), (2460, 11556), (2568, 11070), (2889, 9840), (2952, 9630), (3210, 8856), (3240, 8774), (3280, 8667), (3321, 8560), (3690, 7704), (3852, 7380), (4280, 6642), (4387, 6480), (4428, 6420), (4815, 5904), (4920, 5778), (5136, 5535)]