254666720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2953}}^1$

素因数の和:2993

約数の個数: 144

約数和(自身を含む): 763762608

約数和(自身を除く): 509095888

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 2156, 2464, 2695, 2953, 3080, 3920, 4312, 5390, 5906, 6160, 7840, 8624, 10780, 11812, 12320, 14765, 17248, 20671, 21560, 23624, 29530, 32483, 41342, 43120, 47248, 59060, 64966, 82684, 86240, 94496, 103355, 118120, 129932, 144697, 162415, 165368, 206710, 227381, 236240, 259864, 289394, 324830, 330736, 413420, 454762, 472480, 519728, 578788, 649660, 661472, 723485, 826840, 909524, 1039456, 1136905, 1157576, 1299320, 1446970, 1591667, 1653680, 1819048, 2273810, 2315152, 2598640, 2893940, 3183334, 3307360, 3638096, 4547620, 4630304, 5197280, 5787880, 6366668, 7276192, 7958335, 9095240, 11575760, 12733336, 15916670, 18190480, 23151520, 25466672, 31833340, 36380960, 50933344, 63666680, 127333360, 254666720]

約数ペア:

[(1, 254666720), (2, 127333360), (4, 63666680), (5, 50933344), (7, 36380960), (8, 31833340), (10, 25466672), (11, 23151520), (14, 18190480), (16, 15916670), (20, 12733336), (22, 11575760), (28, 9095240), (32, 7958335), (35, 7276192), (40, 6366668), (44, 5787880), (49, 5197280), (55, 4630304), (56, 4547620), (70, 3638096), (77, 3307360), (80, 3183334), (88, 2893940), (98, 2598640), (110, 2315152), (112, 2273810), (140, 1819048), (154, 1653680), (160, 1591667), (176, 1446970), (196, 1299320), (220, 1157576), (224, 1136905), (245, 1039456), (280, 909524), (308, 826840), (352, 723485), (385, 661472), (392, 649660), (440, 578788), (490, 519728), (539, 472480), (560, 454762), (616, 413420), (770, 330736), (784, 324830), (880, 289394), (980, 259864), (1078, 236240), (1120, 227381), (1232, 206710), (1540, 165368), (1568, 162415), (1760, 144697), (1960, 129932), (2156, 118120), (2464, 103355), (2695, 94496), (2953, 86240), (3080, 82684), (3920, 64966), (4312, 59060), (5390, 47248), (5906, 43120), (6160, 41342), (7840, 32483), (8624, 29530), (10780, 23624), (11812, 21560), (12320, 20671), (14765, 17248)]