278977920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11177}}^1$

素因数の和:11212

約数の個数: 128

約数和(自身を含む): 957731040

約数和(自身を除く): 678753120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 11177, 12480, 22354, 24960, 33531, 44708, 55885, 67062, 89416, 111770, 134124, 145301, 167655, 178832, 223540, 268248, 290602, 335310, 357664, 435903, 447080, 536496, 581204, 670620, 715328, 726505, 871806, 894160, 1072992, 1162408, 1341240, 1430656, 1453010, 1743612, 1788320, 2145984, 2179515, 2324816, 2682480, 2906020, 3487224, 3576640, 4291968, 4359030, 4649632, 5364960, 5812040, 6974448, 7153280, 8718060, 9299264, 10729920, 11624080, 13948896, 17436120, 18598528, 21459840, 23248160, 27897792, 34872240, 46496320, 55795584, 69744480, 92992640, 139488960, 278977920]

約数ペア:

[(1, 278977920), (2, 139488960), (3, 92992640), (4, 69744480), (5, 55795584), (6, 46496320), (8, 34872240), (10, 27897792), (12, 23248160), (13, 21459840), (15, 18598528), (16, 17436120), (20, 13948896), (24, 11624080), (26, 10729920), (30, 9299264), (32, 8718060), (39, 7153280), (40, 6974448), (48, 5812040), (52, 5364960), (60, 4649632), (64, 4359030), (65, 4291968), (78, 3576640), (80, 3487224), (96, 2906020), (104, 2682480), (120, 2324816), (128, 2179515), (130, 2145984), (156, 1788320), (160, 1743612), (192, 1453010), (195, 1430656), (208, 1341240), (240, 1162408), (260, 1072992), (312, 894160), (320, 871806), (384, 726505), (390, 715328), (416, 670620), (480, 581204), (520, 536496), (624, 447080), (640, 435903), (780, 357664), (832, 335310), (960, 290602), (1040, 268248), (1248, 223540), (1560, 178832), (1664, 167655), (1920, 145301), (2080, 134124), (2496, 111770), (3120, 89416), (4160, 67062), (4992, 55885), (6240, 44708), (8320, 33531), (11177, 24960), (12480, 22354)]