28666440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 256

約数和(自身を含む): 110592000

約数和(自身を除く): 81925560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 54, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 108, 110, 114, 120, 127, 132, 135, 152, 165, 171, 180, 190, 198, 209, 216, 220, 228, 254, 264, 270, 285, 297, 330, 342, 360, 380, 381, 396, 418, 440, 456, 495, 508, 513, 540, 570, 594, 627, 635, 660, 684, 760, 762, 792, 836, 855, 990, 1016, 1026, 1045, 1080, 1140, 1143, 1188, 1254, 1270, 1320, 1368, 1397, 1485, 1524, 1672, 1710, 1881, 1905, 1980, 2052, 2090, 2280, 2286, 2376, 2413, 2508, 2540, 2565, 2794, 2970, 3048, 3135, 3420, 3429, 3762, 3810, 3960, 4104, 4180, 4191, 4572, 4826, 5016, 5080, 5130, 5588, 5643, 5715, 5940, 6270, 6840, 6858, 6985, 7239, 7524, 7620, 8360, 8382, 9144, 9405, 9652, 10260, 11176, 11286, 11430, 11880, 12065, 12540, 12573, 13716, 13970, 14478, 15048, 15240, 16764, 17145, 18810, 19304, 20520, 20955, 21717, 22572, 22860, 24130, 25080, 25146, 26543, 27432, 27940, 28215, 28956, 33528, 34290, 36195, 37620, 37719, 41910, 43434, 45144, 45720, 48260, 50292, 53086, 55880, 56430, 57912, 62865, 65151, 68580, 72390, 75240, 75438, 79629, 83820, 86868, 96520, 100584, 106172, 108585, 112860, 125730, 130302, 132715, 137160, 144780, 150876, 159258, 167640, 173736, 188595, 212344, 217170, 225720, 238887, 251460, 260604, 265430, 289560, 301752, 318516, 325755, 377190, 398145, 434340, 477774, 502920, 521208, 530860, 637032, 651510, 716661, 754380, 796290, 868680, 955548, 1061720, 1194435, 1303020, 1433322, 1508760, 1592580, 1911096, 2388870, 2606040, 2866644, 3185160, 3583305, 4777740, 5733288, 7166610, 9555480, 14333220, 28666440]

約数ペア:

[(1, 28666440), (2, 14333220), (3, 9555480), (4, 7166610), (5, 5733288), (6, 4777740), (8, 3583305), (9, 3185160), (10, 2866644), (11, 2606040), (12, 2388870), (15, 1911096), (18, 1592580), (19, 1508760), (20, 1433322), (22, 1303020), (24, 1194435), (27, 1061720), (30, 955548), (33, 868680), (36, 796290), (38, 754380), (40, 716661), (44, 651510), (45, 637032), (54, 530860), (55, 521208), (57, 502920), (60, 477774), (66, 434340), (72, 398145), (76, 377190), (88, 325755), (90, 318516), (95, 301752), (99, 289560), (108, 265430), (110, 260604), (114, 251460), (120, 238887), (127, 225720), (132, 217170), (135, 212344), (152, 188595), (165, 173736), (171, 167640), (180, 159258), (190, 150876), (198, 144780), (209, 137160), (216, 132715), (220, 130302), (228, 125730), (254, 112860), (264, 108585), (270, 106172), (285, 100584), (297, 96520), (330, 86868), (342, 83820), (360, 79629), (380, 75438), (381, 75240), (396, 72390), (418, 68580), (440, 65151), (456, 62865), (495, 57912), (508, 56430), (513, 55880), (540, 53086), (570, 50292), (594, 48260), (627, 45720), (635, 45144), (660, 43434), (684, 41910), (760, 37719), (762, 37620), (792, 36195), (836, 34290), (855, 33528), (990, 28956), (1016, 28215), (1026, 27940), (1045, 27432), (1080, 26543), (1140, 25146), (1143, 25080), (1188, 24130), (1254, 22860), (1270, 22572), (1320, 21717), (1368, 20955), (1397, 20520), (1485, 19304), (1524, 18810), (1672, 17145), (1710, 16764), (1881, 15240), (1905, 15048), (1980, 14478), (2052, 13970), (2090, 13716), (2280, 12573), (2286, 12540), (2376, 12065), (2413, 11880), (2508, 11430), (2540, 11286), (2565, 11176), (2794, 10260), (2970, 9652), (3048, 9405), (3135, 9144), (3420, 8382), (3429, 8360), (3762, 7620), (3810, 7524), (3960, 7239), (4104, 6985), (4180, 6858), (4191, 6840), (4572, 6270), (4826, 5940), (5016, 5715), (5080, 5643), (5130, 5588)]