661464360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:933

約数の個数: 256

約数和(自身を含む): 2377728000

約数和(自身を除く): 1716263640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 31, 36, 40, 45, 46, 54, 60, 62, 69, 72, 90, 92, 93, 108, 115, 120, 124, 135, 138, 155, 180, 184, 186, 207, 216, 230, 248, 270, 276, 279, 310, 345, 360, 372, 414, 460, 465, 540, 552, 558, 620, 621, 690, 713, 744, 828, 837, 859, 920, 930, 1035, 1080, 1116, 1240, 1242, 1380, 1395, 1426, 1656, 1674, 1718, 1860, 2070, 2139, 2232, 2484, 2577, 2760, 2790, 2852, 3105, 3348, 3436, 3565, 3720, 4140, 4185, 4278, 4295, 4968, 5154, 5580, 5704, 6210, 6417, 6696, 6872, 7130, 7731, 8280, 8370, 8556, 8590, 10308, 10695, 11160, 12420, 12834, 12885, 14260, 15462, 16740, 17112, 17180, 19251, 19757, 20616, 21390, 23193, 24840, 25668, 25770, 26629, 28520, 30924, 32085, 33480, 34360, 38502, 38655, 39514, 42780, 46386, 51336, 51540, 53258, 59271, 61848, 64170, 77004, 77310, 79028, 79887, 85560, 92772, 96255, 98785, 103080, 106516, 115965, 118542, 128340, 133145, 154008, 154620, 158056, 159774, 177813, 185544, 192510, 197570, 213032, 231930, 237084, 239661, 256680, 266290, 296355, 309240, 319548, 355626, 385020, 395140, 399435, 463860, 474168, 479322, 532580, 533439, 592710, 612467, 639096, 711252, 718983, 770040, 790280, 798870, 889065, 927720, 958644, 1065160, 1066878, 1185420, 1198305, 1224934, 1422504, 1437966, 1597740, 1778130, 1837401, 1917288, 2133756, 2370840, 2396610, 2449868, 2667195, 2875932, 3062335, 3195480, 3556260, 3594915, 3674802, 4267512, 4793220, 4899736, 5334390, 5512203, 5751864, 6124670, 7112520, 7189830, 7349604, 9187005, 9586440, 10668780, 11024406, 12249340, 14379660, 14699208, 16536609, 18374010, 21337560, 22048812, 24498680, 27561015, 28759320, 33073218, 36748020, 44097624, 55122030, 66146436, 73496040, 82683045, 110244060, 132292872, 165366090, 220488120, 330732180, 661464360]

約数ペア:

[(1, 661464360), (2, 330732180), (3, 220488120), (4, 165366090), (5, 132292872), (6, 110244060), (8, 82683045), (9, 73496040), (10, 66146436), (12, 55122030), (15, 44097624), (18, 36748020), (20, 33073218), (23, 28759320), (24, 27561015), (27, 24498680), (30, 22048812), (31, 21337560), (36, 18374010), (40, 16536609), (45, 14699208), (46, 14379660), (54, 12249340), (60, 11024406), (62, 10668780), (69, 9586440), (72, 9187005), (90, 7349604), (92, 7189830), (93, 7112520), (108, 6124670), (115, 5751864), (120, 5512203), (124, 5334390), (135, 4899736), (138, 4793220), (155, 4267512), (180, 3674802), (184, 3594915), (186, 3556260), (207, 3195480), (216, 3062335), (230, 2875932), (248, 2667195), (270, 2449868), (276, 2396610), (279, 2370840), (310, 2133756), (345, 1917288), (360, 1837401), (372, 1778130), (414, 1597740), (460, 1437966), (465, 1422504), (540, 1224934), (552, 1198305), (558, 1185420), (620, 1066878), (621, 1065160), (690, 958644), (713, 927720), (744, 889065), (828, 798870), (837, 790280), (859, 770040), (920, 718983), (930, 711252), (1035, 639096), (1080, 612467), (1116, 592710), (1240, 533439), (1242, 532580), (1380, 479322), (1395, 474168), (1426, 463860), (1656, 399435), (1674, 395140), (1718, 385020), (1860, 355626), (2070, 319548), (2139, 309240), (2232, 296355), (2484, 266290), (2577, 256680), (2760, 239661), (2790, 237084), (2852, 231930), (3105, 213032), (3348, 197570), (3436, 192510), (3565, 185544), (3720, 177813), (4140, 159774), (4185, 158056), (4278, 154620), (4295, 154008), (4968, 133145), (5154, 128340), (5580, 118542), (5704, 115965), (6210, 106516), (6417, 103080), (6696, 98785), (6872, 96255), (7130, 92772), (7731, 85560), (8280, 79887), (8370, 79028), (8556, 77310), (8590, 77004), (10308, 64170), (10695, 61848), (11160, 59271), (12420, 53258), (12834, 51540), (12885, 51336), (14260, 46386), (15462, 42780), (16740, 39514), (17112, 38655), (17180, 38502), (19251, 34360), (19757, 33480), (20616, 32085), (21390, 30924), (23193, 28520), (24840, 26629), (25668, 25770)]