201048320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 534219840

約数和(自身を除く): 333171520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 109, 110, 128, 131, 160, 176, 218, 220, 256, 262, 320, 352, 436, 440, 524, 545, 640, 655, 704, 872, 880, 1048, 1090, 1199, 1280, 1310, 1408, 1441, 1744, 1760, 2096, 2180, 2398, 2620, 2816, 2882, 3488, 3520, 4192, 4360, 4796, 5240, 5764, 5995, 6976, 7040, 7205, 8384, 8720, 9592, 10480, 11528, 11990, 13952, 14080, 14279, 14410, 16768, 17440, 19184, 20960, 23056, 23980, 27904, 28558, 28820, 33536, 34880, 38368, 41920, 46112, 47960, 57116, 57640, 69760, 71395, 76736, 83840, 92224, 95920, 114232, 115280, 139520, 142790, 153472, 157069, 167680, 184448, 191840, 228464, 230560, 285580, 306944, 314138, 368896, 383680, 456928, 461120, 571160, 628276, 767360, 785345, 913856, 922240, 1142320, 1256552, 1534720, 1570690, 1827712, 1844480, 2284640, 2513104, 3141380, 3655424, 4569280, 5026208, 6282760, 9138560, 10052416, 12565520, 18277120, 20104832, 25131040, 40209664, 50262080, 100524160, 201048320]

約数ペア:

[(1, 201048320), (2, 100524160), (4, 50262080), (5, 40209664), (8, 25131040), (10, 20104832), (11, 18277120), (16, 12565520), (20, 10052416), (22, 9138560), (32, 6282760), (40, 5026208), (44, 4569280), (55, 3655424), (64, 3141380), (80, 2513104), (88, 2284640), (109, 1844480), (110, 1827712), (128, 1570690), (131, 1534720), (160, 1256552), (176, 1142320), (218, 922240), (220, 913856), (256, 785345), (262, 767360), (320, 628276), (352, 571160), (436, 461120), (440, 456928), (524, 383680), (545, 368896), (640, 314138), (655, 306944), (704, 285580), (872, 230560), (880, 228464), (1048, 191840), (1090, 184448), (1199, 167680), (1280, 157069), (1310, 153472), (1408, 142790), (1441, 139520), (1744, 115280), (1760, 114232), (2096, 95920), (2180, 92224), (2398, 83840), (2620, 76736), (2816, 71395), (2882, 69760), (3488, 57640), (3520, 57116), (4192, 47960), (4360, 46112), (4796, 41920), (5240, 38368), (5764, 34880), (5995, 33536), (6976, 28820), (7040, 28558), (7205, 27904), (8384, 23980), (8720, 23056), (9592, 20960), (10480, 19184), (11528, 17440), (11990, 16768), (13952, 14410), (14080, 14279)]