1815429440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:317

約数の個数: 224

約数和(自身を含む): 4943904768

約数和(自身を除く): 3128475328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 127, 131, 155, 160, 176, 220, 248, 254, 262, 310, 320, 341, 352, 440, 496, 508, 524, 620, 635, 655, 682, 704, 880, 992, 1016, 1048, 1240, 1270, 1310, 1364, 1397, 1441, 1705, 1760, 1984, 2032, 2096, 2480, 2540, 2620, 2728, 2794, 2882, 3410, 3520, 3937, 4061, 4064, 4192, 4960, 5080, 5240, 5456, 5588, 5764, 6820, 6985, 7205, 7874, 8122, 8128, 8384, 9920, 10160, 10480, 10912, 11176, 11528, 13640, 13970, 14410, 15748, 16244, 16637, 19685, 20305, 20320, 20960, 21824, 22352, 23056, 27280, 27940, 28820, 31496, 32488, 33274, 39370, 40610, 40640, 41920, 43307, 44671, 44704, 46112, 54560, 55880, 57640, 62992, 64976, 66548, 78740, 81220, 83185, 86614, 89342, 89408, 92224, 109120, 111760, 115280, 125984, 129952, 133096, 157480, 162440, 166370, 173228, 178684, 183007, 216535, 223355, 223520, 230560, 251968, 259904, 266192, 314960, 324880, 332740, 346456, 357368, 366014, 433070, 446710, 447040, 461120, 515747, 532384, 629920, 649760, 665480, 692912, 714736, 732028, 866140, 893420, 915035, 1031494, 1064768, 1259840, 1299520, 1330960, 1385824, 1429472, 1464056, 1732280, 1786840, 1830070, 2062988, 2578735, 2661920, 2771648, 2858944, 2928112, 3464560, 3573680, 3660140, 4125976, 5157470, 5323840, 5673217, 5856224, 6929120, 7147360, 7320280, 8251952, 10314940, 11346434, 11712448, 13858240, 14294720, 14640560, 16503904, 20629880, 22692868, 28366085, 29281120, 33007808, 41259760, 45385736, 56732170, 58562240, 82519520, 90771472, 113464340, 165039040, 181542944, 226928680, 363085888, 453857360, 907714720, 1815429440]

約数ペア:

[(1, 1815429440), (2, 907714720), (4, 453857360), (5, 363085888), (8, 226928680), (10, 181542944), (11, 165039040), (16, 113464340), (20, 90771472), (22, 82519520), (31, 58562240), (32, 56732170), (40, 45385736), (44, 41259760), (55, 33007808), (62, 29281120), (64, 28366085), (80, 22692868), (88, 20629880), (110, 16503904), (124, 14640560), (127, 14294720), (131, 13858240), (155, 11712448), (160, 11346434), (176, 10314940), (220, 8251952), (248, 7320280), (254, 7147360), (262, 6929120), (310, 5856224), (320, 5673217), (341, 5323840), (352, 5157470), (440, 4125976), (496, 3660140), (508, 3573680), (524, 3464560), (620, 2928112), (635, 2858944), (655, 2771648), (682, 2661920), (704, 2578735), (880, 2062988), (992, 1830070), (1016, 1786840), (1048, 1732280), (1240, 1464056), (1270, 1429472), (1310, 1385824), (1364, 1330960), (1397, 1299520), (1441, 1259840), (1705, 1064768), (1760, 1031494), (1984, 915035), (2032, 893420), (2096, 866140), (2480, 732028), (2540, 714736), (2620, 692912), (2728, 665480), (2794, 649760), (2882, 629920), (3410, 532384), (3520, 515747), (3937, 461120), (4061, 447040), (4064, 446710), (4192, 433070), (4960, 366014), (5080, 357368), (5240, 346456), (5456, 332740), (5588, 324880), (5764, 314960), (6820, 266192), (6985, 259904), (7205, 251968), (7874, 230560), (8122, 223520), (8128, 223355), (8384, 216535), (9920, 183007), (10160, 178684), (10480, 173228), (10912, 166370), (11176, 162440), (11528, 157480), (13640, 133096), (13970, 129952), (14410, 125984), (15748, 115280), (16244, 111760), (16637, 109120), (19685, 92224), (20305, 89408), (20320, 89342), (20960, 86614), (21824, 83185), (22352, 81220), (23056, 78740), (27280, 66548), (27940, 64976), (28820, 62992), (31496, 57640), (32488, 55880), (33274, 54560), (39370, 46112), (40610, 44704), (40640, 44671), (41920, 43307)]