77720580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:763

約数の個数: 192

約数和(自身を含む): 286272000

約数和(自身を除く): 208551420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 348, 378, 406, 420, 435, 522, 540, 580, 609, 630, 709, 756, 783, 812, 870, 945, 1015, 1044, 1218, 1260, 1305, 1418, 1566, 1740, 1827, 1890, 2030, 2127, 2436, 2610, 2836, 3045, 3132, 3545, 3654, 3780, 3915, 4060, 4254, 4963, 5220, 5481, 6090, 6381, 7090, 7308, 7830, 8508, 9135, 9926, 10635, 10962, 12180, 12762, 14180, 14889, 15660, 18270, 19143, 19852, 20561, 21270, 21924, 24815, 25524, 27405, 29778, 31905, 36540, 38286, 41122, 42540, 44667, 49630, 54810, 59556, 61683, 63810, 74445, 76572, 82244, 89334, 95715, 99260, 102805, 109620, 123366, 127620, 134001, 143927, 148890, 178668, 185049, 191430, 205610, 223335, 246732, 268002, 287854, 297780, 308415, 370098, 382860, 411220, 431781, 446670, 536004, 555147, 575708, 616830, 670005, 719635, 740196, 863562, 893340, 925245, 1110294, 1233660, 1295343, 1340010, 1439270, 1727124, 1850490, 2158905, 2220588, 2590686, 2680020, 2775735, 2878540, 3700980, 3886029, 4317810, 5181372, 5551470, 6476715, 7772058, 8635620, 11102940, 12953430, 15544116, 19430145, 25906860, 38860290, 77720580]

約数ペア:

[(1, 77720580), (2, 38860290), (3, 25906860), (4, 19430145), (5, 15544116), (6, 12953430), (7, 11102940), (9, 8635620), (10, 7772058), (12, 6476715), (14, 5551470), (15, 5181372), (18, 4317810), (20, 3886029), (21, 3700980), (27, 2878540), (28, 2775735), (29, 2680020), (30, 2590686), (35, 2220588), (36, 2158905), (42, 1850490), (45, 1727124), (54, 1439270), (58, 1340010), (60, 1295343), (63, 1233660), (70, 1110294), (84, 925245), (87, 893340), (90, 863562), (105, 740196), (108, 719635), (116, 670005), (126, 616830), (135, 575708), (140, 555147), (145, 536004), (174, 446670), (180, 431781), (189, 411220), (203, 382860), (210, 370098), (252, 308415), (261, 297780), (270, 287854), (290, 268002), (315, 246732), (348, 223335), (378, 205610), (406, 191430), (420, 185049), (435, 178668), (522, 148890), (540, 143927), (580, 134001), (609, 127620), (630, 123366), (709, 109620), (756, 102805), (783, 99260), (812, 95715), (870, 89334), (945, 82244), (1015, 76572), (1044, 74445), (1218, 63810), (1260, 61683), (1305, 59556), (1418, 54810), (1566, 49630), (1740, 44667), (1827, 42540), (1890, 41122), (2030, 38286), (2127, 36540), (2436, 31905), (2610, 29778), (2836, 27405), (3045, 25524), (3132, 24815), (3545, 21924), (3654, 21270), (3780, 20561), (3915, 19852), (4060, 19143), (4254, 18270), (4963, 15660), (5220, 14889), (5481, 14180), (6090, 12762), (6381, 12180), (7090, 10962), (7308, 10635), (7830, 9926), (8508, 9135)]