279754480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^2$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 711985680

約数和(自身を除く): 432231200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 67, 76, 80, 82, 95, 134, 152, 164, 190, 205, 268, 304, 328, 335, 380, 410, 536, 656, 670, 760, 779, 820, 1072, 1273, 1340, 1520, 1558, 1640, 2546, 2680, 2747, 3116, 3280, 3895, 4489, 5092, 5360, 5494, 6232, 6365, 7790, 8978, 10184, 10988, 12464, 12730, 13735, 15580, 17956, 20368, 21976, 22445, 25460, 27470, 31160, 35912, 43952, 44890, 50920, 52193, 54940, 62320, 71824, 85291, 89780, 101840, 104386, 109880, 170582, 179560, 184049, 208772, 219760, 260965, 341164, 359120, 368098, 417544, 426455, 521930, 682328, 736196, 835088, 852910, 920245, 1043860, 1364656, 1472392, 1705820, 1840490, 2087720, 2944784, 3411640, 3496931, 3680980, 4175440, 6823280, 6993862, 7361960, 13987724, 14723920, 17484655, 27975448, 34969310, 55950896, 69938620, 139877240, 279754480]

約数ペア:

[(1, 279754480), (2, 139877240), (4, 69938620), (5, 55950896), (8, 34969310), (10, 27975448), (16, 17484655), (19, 14723920), (20, 13987724), (38, 7361960), (40, 6993862), (41, 6823280), (67, 4175440), (76, 3680980), (80, 3496931), (82, 3411640), (95, 2944784), (134, 2087720), (152, 1840490), (164, 1705820), (190, 1472392), (205, 1364656), (268, 1043860), (304, 920245), (328, 852910), (335, 835088), (380, 736196), (410, 682328), (536, 521930), (656, 426455), (670, 417544), (760, 368098), (779, 359120), (820, 341164), (1072, 260965), (1273, 219760), (1340, 208772), (1520, 184049), (1558, 179560), (1640, 170582), (2546, 109880), (2680, 104386), (2747, 101840), (3116, 89780), (3280, 85291), (3895, 71824), (4489, 62320), (5092, 54940), (5360, 52193), (5494, 50920), (6232, 44890), (6365, 43952), (7790, 35912), (8978, 31160), (10184, 27470), (10988, 25460), (12464, 22445), (12730, 21976), (13735, 20368), (15580, 17956)]