1964121280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:399

約数の個数: 224

約数和(自身を含む): 5372282880

約数和(自身を除く): 3408161600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 71, 80, 88, 110, 116, 142, 145, 160, 176, 220, 232, 271, 284, 290, 319, 320, 352, 355, 440, 464, 542, 568, 580, 638, 704, 710, 781, 880, 928, 1084, 1136, 1160, 1276, 1355, 1420, 1562, 1595, 1760, 1856, 2059, 2168, 2272, 2320, 2552, 2710, 2840, 2981, 3124, 3190, 3520, 3905, 4118, 4336, 4544, 4640, 5104, 5420, 5680, 5962, 6248, 6380, 7810, 7859, 8236, 8672, 9280, 10208, 10295, 10840, 11360, 11924, 12496, 12760, 14905, 15620, 15718, 16472, 17344, 19241, 20416, 20590, 21680, 22649, 22720, 23848, 24992, 25520, 29810, 31240, 31436, 32944, 38482, 39295, 41180, 43360, 45298, 47696, 49984, 51040, 59620, 62480, 62872, 65888, 76964, 78590, 82360, 86449, 86720, 90596, 95392, 96205, 102080, 113245, 119240, 124960, 125744, 131776, 153928, 157180, 164720, 172898, 181192, 190784, 192410, 211651, 226490, 238480, 249920, 251488, 307856, 314360, 329440, 345796, 362384, 384820, 423302, 432245, 452980, 476960, 502976, 557989, 615712, 628720, 658880, 691592, 724768, 769640, 846604, 864490, 905960, 953920, 1058255, 1115978, 1231424, 1257440, 1383184, 1449536, 1539280, 1693208, 1728980, 1811920, 2116510, 2231956, 2514880, 2766368, 2789945, 3078560, 3386416, 3457960, 3623840, 4233020, 4463912, 5532736, 5579890, 6137879, 6157120, 6772832, 6915920, 7247680, 8466040, 8927824, 11159780, 12275758, 13545664, 13831840, 16932080, 17855648, 22319560, 24551516, 27663680, 30689395, 33864160, 35711296, 44639120, 49103032, 61378790, 67728320, 89278240, 98206064, 122757580, 178556480, 196412128, 245515160, 392824256, 491030320, 982060640, 1964121280]

約数ペア:

[(1, 1964121280), (2, 982060640), (4, 491030320), (5, 392824256), (8, 245515160), (10, 196412128), (11, 178556480), (16, 122757580), (20, 98206064), (22, 89278240), (29, 67728320), (32, 61378790), (40, 49103032), (44, 44639120), (55, 35711296), (58, 33864160), (64, 30689395), (71, 27663680), (80, 24551516), (88, 22319560), (110, 17855648), (116, 16932080), (142, 13831840), (145, 13545664), (160, 12275758), (176, 11159780), (220, 8927824), (232, 8466040), (271, 7247680), (284, 6915920), (290, 6772832), (319, 6157120), (320, 6137879), (352, 5579890), (355, 5532736), (440, 4463912), (464, 4233020), (542, 3623840), (568, 3457960), (580, 3386416), (638, 3078560), (704, 2789945), (710, 2766368), (781, 2514880), (880, 2231956), (928, 2116510), (1084, 1811920), (1136, 1728980), (1160, 1693208), (1276, 1539280), (1355, 1449536), (1420, 1383184), (1562, 1257440), (1595, 1231424), (1760, 1115978), (1856, 1058255), (2059, 953920), (2168, 905960), (2272, 864490), (2320, 846604), (2552, 769640), (2710, 724768), (2840, 691592), (2981, 658880), (3124, 628720), (3190, 615712), (3520, 557989), (3905, 502976), (4118, 476960), (4336, 452980), (4544, 432245), (4640, 423302), (5104, 384820), (5420, 362384), (5680, 345796), (5962, 329440), (6248, 314360), (6380, 307856), (7810, 251488), (7859, 249920), (8236, 238480), (8672, 226490), (9280, 211651), (10208, 192410), (10295, 190784), (10840, 181192), (11360, 172898), (11924, 164720), (12496, 157180), (12760, 153928), (14905, 131776), (15620, 125744), (15718, 124960), (16472, 119240), (17344, 113245), (19241, 102080), (20416, 96205), (20590, 95392), (21680, 90596), (22649, 86720), (22720, 86449), (23848, 82360), (24992, 78590), (25520, 76964), (29810, 65888), (31240, 62872), (31436, 62480), (32944, 59620), (38482, 51040), (39295, 49984), (41180, 47696), (43360, 45298)]