1974881333880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{36691}}^1$

素因数の和:36812

約数の個数: 768

約数和(自身を含む): 8308430807040

約数和(自身を除く): 6333549473160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 31, 35, 36, 39, 40, 42, 45, 52, 53, 56, 60, 62, 63, 65, 70, 72, 78, 84, 90, 91, 93, 104, 105, 106, 117, 120, 124, 126, 130, 140, 155, 156, 159, 168, 180, 182, 186, 195, 210, 212, 217, 234, 248, 252, 260, 265, 273, 279, 280, 310, 312, 315, 318, 360, 364, 371, 372, 390, 403, 420, 424, 434, 455, 465, 468, 477, 504, 520, 530, 546, 558, 585, 620, 630, 636, 651, 689, 728, 742, 744, 780, 795, 806, 819, 840, 868, 910, 930, 936, 954, 1060, 1085, 1092, 1113, 1116, 1170, 1209, 1240, 1260, 1272, 1302, 1365, 1378, 1395, 1484, 1560, 1590, 1612, 1638, 1643, 1736, 1820, 1855, 1860, 1908, 1953, 2015, 2067, 2120, 2170, 2184, 2226, 2232, 2340, 2385, 2418, 2520, 2604, 2730, 2756, 2790, 2821, 2968, 3180, 3224, 3255, 3276, 3286, 3339, 3445, 3627, 3640, 3710, 3720, 3816, 3906, 4030, 4095, 4134, 4340, 4452, 4680, 4770, 4823, 4836, 4929, 5208, 5460, 5512, 5565, 5580, 5642, 6045, 6201, 6360, 6510, 6552, 6572, 6678, 6890, 7254, 7420, 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約数ペア:

[(1, 1974881333880), (2, 987440666940), (3, 658293777960), (4, 493720333470), (5, 394976266776), (6, 329146888980), (7, 282125904840), (8, 246860166735), (9, 219431259320), (10, 197488133388), (12, 164573444490), (13, 151913948760), (14, 141062952420), (15, 131658755592), (18, 109715629660), (20, 98744066694), (21, 94041968280), (24, 82286722245), (26, 75956974380), (28, 70531476210), (30, 65829377796), (31, 63705849480), (35, 56425180968), (36, 54857814830), (39, 50637982920), (40, 49372033347), (42, 47020984140), (45, 43886251864), (52, 37978487190), (53, 37261911960), (56, 35265738105), (60, 32914688898), (62, 31852924740), (63, 31347322760), (65, 30382789752), (70, 28212590484), (72, 27428907415), (78, 25318991460), (84, 23510492070), (90, 21943125932), (91, 21701992680), (93, 21235283160), (104, 18989243595), (105, 18808393656), (106, 18630955980), (117, 16879327640), (120, 16457344449), (124, 15926462370), (126, 15673661380), (130, 15191394876), (140, 14106295242), (155, 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