1780783840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:441

約数の個数: 192

約数和(自身を含む): 4793499648

約数和(自身を除く): 3012715808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 124, 127, 155, 160, 176, 220, 248, 254, 257, 310, 341, 352, 440, 496, 508, 514, 620, 635, 682, 880, 992, 1016, 1028, 1240, 1270, 1285, 1364, 1397, 1705, 1760, 2032, 2056, 2480, 2540, 2570, 2728, 2794, 2827, 3410, 3937, 4064, 4112, 4960, 5080, 5140, 5456, 5588, 5654, 6820, 6985, 7874, 7967, 8224, 10160, 10280, 10912, 11176, 11308, 13640, 13970, 14135, 15748, 15934, 19685, 20320, 20560, 22352, 22616, 27280, 27940, 28270, 31496, 31868, 32639, 39370, 39835, 41120, 43307, 44704, 45232, 54560, 55880, 56540, 62992, 63736, 65278, 78740, 79670, 86614, 87637, 90464, 111760, 113080, 125984, 127472, 130556, 157480, 159340, 163195, 173228, 175274, 216535, 223520, 226160, 254944, 261112, 314960, 318680, 326390, 346456, 350548, 359029, 433070, 438185, 452320, 522224, 629920, 637360, 652780, 692912, 701096, 718058, 866140, 876370, 1011809, 1044448, 1274720, 1305560, 1385824, 1402192, 1436116, 1732280, 1752740, 1795145, 2023618, 2611120, 2804384, 2872232, 3464560, 3505480, 3590290, 4047236, 5059045, 5222240, 5744464, 6929120, 7010960, 7180580, 8094472, 10118090, 11129899, 11488928, 14021920, 14361160, 16188944, 20236180, 22259798, 28722320, 32377888, 40472360, 44519596, 55649495, 57444640, 80944720, 89039192, 111298990, 161889440, 178078384, 222597980, 356156768, 445195960, 890391920, 1780783840]

約数ペア:

[(1, 1780783840), (2, 890391920), (4, 445195960), (5, 356156768), (8, 222597980), (10, 178078384), (11, 161889440), (16, 111298990), (20, 89039192), (22, 80944720), (31, 57444640), (32, 55649495), (40, 44519596), (44, 40472360), (55, 32377888), (62, 28722320), (80, 22259798), (88, 20236180), (110, 16188944), (124, 14361160), (127, 14021920), (155, 11488928), (160, 11129899), (176, 10118090), (220, 8094472), (248, 7180580), (254, 7010960), (257, 6929120), (310, 5744464), (341, 5222240), (352, 5059045), (440, 4047236), (496, 3590290), (508, 3505480), (514, 3464560), (620, 2872232), (635, 2804384), (682, 2611120), (880, 2023618), (992, 1795145), (1016, 1752740), (1028, 1732280), (1240, 1436116), (1270, 1402192), (1285, 1385824), (1364, 1305560), (1397, 1274720), (1705, 1044448), (1760, 1011809), (2032, 876370), (2056, 866140), (2480, 718058), (2540, 701096), (2570, 692912), (2728, 652780), (2794, 637360), (2827, 629920), (3410, 522224), (3937, 452320), (4064, 438185), (4112, 433070), (4960, 359029), (5080, 350548), (5140, 346456), (5456, 326390), (5588, 318680), (5654, 314960), (6820, 261112), (6985, 254944), (7874, 226160), (7967, 223520), (8224, 216535), (10160, 175274), (10280, 173228), (10912, 163195), (11176, 159340), (11308, 157480), (13640, 130556), (13970, 127472), (14135, 125984), (15748, 113080), (15934, 111760), (19685, 90464), (20320, 87637), (20560, 86614), (22352, 79670), (22616, 78740), (27280, 65278), (27940, 63736), (28270, 62992), (31496, 56540), (31868, 55880), (32639, 54560), (39370, 45232), (39835, 44704), (41120, 43307)]