78884640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1939

約数の個数: 144

約数和(自身を含む): 278623800

約数和(自身を除く): 199739160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 1889, 2088, 2320, 2610, 2784, 3480, 3778, 4176, 4640, 5220, 5667, 6960, 7556, 8352, 9445, 10440, 11334, 13920, 15112, 17001, 18890, 20880, 22668, 28335, 30224, 34002, 37780, 41760, 45336, 54781, 56670, 60448, 68004, 75560, 85005, 90672, 109562, 113340, 136008, 151120, 164343, 170010, 181344, 219124, 226680, 272016, 273905, 302240, 328686, 340020, 438248, 453360, 493029, 544032, 547810, 657372, 680040, 821715, 876496, 906720, 986058, 1095620, 1314744, 1360080, 1643430, 1752992, 1972116, 2191240, 2465145, 2629488, 2720160, 3286860, 3944232, 4382480, 4930290, 5258976, 6573720, 7888464, 8764960, 9860580, 13147440, 15776928, 19721160, 26294880, 39442320, 78884640]

約数ペア:

[(1, 78884640), (2, 39442320), (3, 26294880), (4, 19721160), (5, 15776928), (6, 13147440), (8, 9860580), (9, 8764960), (10, 7888464), (12, 6573720), (15, 5258976), (16, 4930290), (18, 4382480), (20, 3944232), (24, 3286860), (29, 2720160), (30, 2629488), (32, 2465145), (36, 2191240), (40, 1972116), (45, 1752992), (48, 1643430), (58, 1360080), (60, 1314744), (72, 1095620), (80, 986058), (87, 906720), (90, 876496), (96, 821715), (116, 680040), (120, 657372), (144, 547810), (145, 544032), (160, 493029), (174, 453360), (180, 438248), (232, 340020), (240, 328686), (261, 302240), (288, 273905), (290, 272016), (348, 226680), (360, 219124), (435, 181344), (464, 170010), (480, 164343), (522, 151120), (580, 136008), (696, 113340), (720, 109562), (870, 90672), (928, 85005), (1044, 75560), (1160, 68004), (1305, 60448), (1392, 56670), (1440, 54781), (1740, 45336), (1889, 41760), (2088, 37780), (2320, 34002), (2610, 30224), (2784, 28335), (3480, 22668), (3778, 20880), (4176, 18890), (4640, 17001), (5220, 15112), (5667, 13920), (6960, 11334), (7556, 10440), (8352, 9445)]