687248280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:495

約数の個数: 256

約数和(自身を含む): 2429568000

約数和(自身を除く): 1742319720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 73, 90, 92, 108, 115, 120, 135, 138, 146, 180, 184, 207, 216, 219, 230, 270, 276, 292, 345, 360, 365, 379, 414, 438, 460, 540, 552, 584, 621, 657, 690, 730, 758, 828, 876, 920, 1035, 1080, 1095, 1137, 1242, 1314, 1380, 1460, 1516, 1656, 1679, 1752, 1895, 1971, 2070, 2190, 2274, 2484, 2628, 2760, 2920, 3032, 3105, 3285, 3358, 3411, 3790, 3942, 4140, 4380, 4548, 4968, 5037, 5256, 5685, 6210, 6570, 6716, 6822, 7580, 7884, 8280, 8395, 8717, 8760, 9096, 9855, 10074, 10233, 11370, 12420, 13140, 13432, 13644, 15111, 15160, 15768, 16790, 17055, 17434, 19710, 20148, 20466, 22740, 24840, 25185, 26151, 26280, 27288, 27667, 30222, 33580, 34110, 34868, 39420, 40296, 40932, 43585, 45333, 45480, 50370, 51165, 52302, 55334, 60444, 67160, 68220, 69736, 75555, 78453, 78840, 81864, 83001, 87170, 90666, 100740, 102330, 104604, 110668, 120888, 130755, 136440, 138335, 151110, 156906, 166002, 174340, 181332, 201480, 204660, 209208, 221336, 226665, 235359, 249003, 261510, 276670, 302220, 313812, 332004, 348680, 362664, 392265, 409320, 415005, 453330, 470718, 498006, 523020, 553340, 604440, 627624, 636341, 664008, 747009, 784530, 830010, 906660, 941436, 996012, 1046040, 1106680, 1176795, 1245015, 1272682, 1494018, 1569060, 1660020, 1813320, 1882872, 1909023, 1992024, 2353590, 2490030, 2545364, 2988036, 3138120, 3181705, 3320040, 3735045, 3818046, 4707180, 4980060, 5090728, 5727069, 5976072, 6363410, 7470090, 7636092, 9414360, 9545115, 9960120, 11454138, 12726820, 14940180, 15272184, 17181207, 19090230, 22908276, 25453640, 28635345, 29880360, 34362414, 38180460, 45816552, 57270690, 68724828, 76360920, 85906035, 114541380, 137449656, 171812070, 229082760, 343624140, 687248280]

約数ペア:

[(1, 687248280), (2, 343624140), (3, 229082760), (4, 171812070), (5, 137449656), (6, 114541380), (8, 85906035), (9, 76360920), (10, 68724828), (12, 57270690), (15, 45816552), (18, 38180460), (20, 34362414), (23, 29880360), (24, 28635345), (27, 25453640), (30, 22908276), (36, 19090230), (40, 17181207), (45, 15272184), (46, 14940180), (54, 12726820), (60, 11454138), (69, 9960120), (72, 9545115), (73, 9414360), (90, 7636092), (92, 7470090), (108, 6363410), (115, 5976072), (120, 5727069), (135, 5090728), (138, 4980060), (146, 4707180), (180, 3818046), (184, 3735045), (207, 3320040), (216, 3181705), (219, 3138120), (230, 2988036), (270, 2545364), (276, 2490030), (292, 2353590), (345, 1992024), (360, 1909023), (365, 1882872), (379, 1813320), (414, 1660020), (438, 1569060), (460, 1494018), (540, 1272682), (552, 1245015), (584, 1176795), (621, 1106680), (657, 1046040), (690, 996012), (730, 941436), (758, 906660), (828, 830010), (876, 784530), (920, 747009), (1035, 664008), (1080, 636341), (1095, 627624), (1137, 604440), (1242, 553340), (1314, 523020), (1380, 498006), (1460, 470718), (1516, 453330), (1656, 415005), (1679, 409320), (1752, 392265), (1895, 362664), (1971, 348680), (2070, 332004), (2190, 313812), (2274, 302220), (2484, 276670), (2628, 261510), (2760, 249003), (2920, 235359), (3032, 226665), (3105, 221336), (3285, 209208), (3358, 204660), (3411, 201480), (3790, 181332), (3942, 174340), (4140, 166002), (4380, 156906), (4548, 151110), (4968, 138335), (5037, 136440), (5256, 130755), (5685, 120888), (6210, 110668), (6570, 104604), (6716, 102330), (6822, 100740), (7580, 90666), (7884, 87170), (8280, 83001), (8395, 81864), (8717, 78840), (8760, 78453), (9096, 75555), (9855, 69736), (10074, 68220), (10233, 67160), (11370, 60444), (12420, 55334), (13140, 52302), (13432, 51165), (13644, 50370), (15111, 45480), (15160, 45333), (15768, 43585), (16790, 40932), (17055, 40296), (17434, 39420), (19710, 34868), (20148, 34110), (20466, 33580), (22740, 30222), (24840, 27667), (25185, 27288), (26151, 26280)]