1819603840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 256

約数和(自身を含む): 4891104000

約数和(自身を除く): 3071500160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 73, 79, 80, 85, 116, 128, 136, 145, 146, 158, 160, 170, 232, 272, 290, 292, 316, 320, 340, 365, 395, 464, 493, 544, 580, 584, 632, 640, 680, 730, 790, 928, 986, 1088, 1160, 1168, 1241, 1264, 1343, 1360, 1460, 1580, 1856, 1972, 2117, 2176, 2291, 2320, 2336, 2465, 2482, 2528, 2686, 2720, 2920, 3160, 3712, 3944, 4234, 4582, 4640, 4672, 4930, 4964, 5056, 5372, 5440, 5767, 5840, 6205, 6320, 6715, 7888, 8468, 9164, 9280, 9344, 9860, 9928, 10112, 10585, 10744, 10880, 11455, 11534, 11680, 12410, 12640, 13430, 15776, 16936, 18328, 18560, 19720, 19856, 21170, 21488, 22910, 23068, 23360, 24820, 25280, 26860, 28835, 31552, 33872, 35989, 36656, 38947, 39440, 39712, 42340, 42976, 45820, 46136, 46720, 49640, 50560, 53720, 57670, 63104, 67744, 71978, 73312, 77894, 78880, 79424, 84680, 85952, 91640, 92272, 98039, 99280, 107440, 115340, 135488, 143956, 146624, 155788, 157760, 158848, 167243, 169360, 171904, 179945, 183280, 184544, 194735, 196078, 198560, 214880, 230680, 270976, 287912, 293248, 311576, 315520, 334486, 338720, 359890, 366560, 369088, 389470, 392156, 397120, 429760, 461360, 490195, 575824, 623152, 668972, 677440, 719780, 733120, 738176, 778940, 784312, 794240, 836215, 859520, 922720, 980390, 1151648, 1246304, 1337944, 1354880, 1439560, 1466240, 1557880, 1568624, 1672430, 1845440, 1960780, 2303296, 2492608, 2675888, 2843131, 2879120, 3115760, 3137248, 3344860, 3690880, 3921560, 4606592, 4985216, 5351776, 5686262, 5758240, 6231520, 6274496, 6689720, 7843120, 10703552, 11372524, 11516480, 12463040, 12548992, 13379440, 14215655, 15686240, 21407104, 22745048, 23032960, 24926080, 26758880, 28431310, 31372480, 45490096, 53517760, 56862620, 62744960, 90980192, 107035520, 113725240, 181960384, 227450480, 363920768, 454900960, 909801920, 1819603840]

約数ペア:

[(1, 1819603840), (2, 909801920), (4, 454900960), (5, 363920768), (8, 227450480), (10, 181960384), (16, 113725240), (17, 107035520), (20, 90980192), (29, 62744960), (32, 56862620), (34, 53517760), (40, 45490096), (58, 31372480), (64, 28431310), (68, 26758880), (73, 24926080), (79, 23032960), (80, 22745048), (85, 21407104), (116, 15686240), (128, 14215655), (136, 13379440), (145, 12548992), (146, 12463040), (158, 11516480), (160, 11372524), (170, 10703552), (232, 7843120), (272, 6689720), (290, 6274496), (292, 6231520), (316, 5758240), (320, 5686262), (340, 5351776), (365, 4985216), (395, 4606592), (464, 3921560), (493, 3690880), (544, 3344860), (580, 3137248), (584, 3115760), (632, 2879120), (640, 2843131), (680, 2675888), (730, 2492608), (790, 2303296), (928, 1960780), (986, 1845440), (1088, 1672430), (1160, 1568624), (1168, 1557880), (1241, 1466240), (1264, 1439560), (1343, 1354880), (1360, 1337944), (1460, 1246304), (1580, 1151648), (1856, 980390), (1972, 922720), (2117, 859520), (2176, 836215), (2291, 794240), (2320, 784312), (2336, 778940), (2465, 738176), (2482, 733120), (2528, 719780), (2686, 677440), (2720, 668972), (2920, 623152), (3160, 575824), (3712, 490195), (3944, 461360), (4234, 429760), (4582, 397120), (4640, 392156), (4672, 389470), (4930, 369088), (4964, 366560), (5056, 359890), (5372, 338720), (5440, 334486), (5767, 315520), (5840, 311576), (6205, 293248), (6320, 287912), (6715, 270976), (7888, 230680), (8468, 214880), (9164, 198560), (9280, 196078), (9344, 194735), (9860, 184544), (9928, 183280), (10112, 179945), (10585, 171904), (10744, 169360), (10880, 167243), (11455, 158848), (11534, 157760), (11680, 155788), (12410, 146624), (12640, 143956), (13430, 135488), (15776, 115340), (16936, 107440), (18328, 99280), (18560, 98039), (19720, 92272), (19856, 91640), (21170, 85952), (21488, 84680), (22910, 79424), (23068, 78880), (23360, 77894), (24820, 73312), (25280, 71978), (26860, 67744), (28835, 63104), (31552, 57670), (33872, 53720), (35989, 50560), (36656, 49640), (38947, 46720), (39440, 46136), (39712, 45820), (42340, 42976)]