245693760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19687}}^1$

素因数の和:19720

約数の個数: 112

約数和(自身を含む): 840126336

約数和(自身を除く): 594432576

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, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 19687, 39374, 59061, 78748, 98435, 118122, 157496, 196870, 236244, 255931, 295305, 314992, 393740, 472488, 511862, 590610, 629984, 767793, 787480, 944976, 1023724, 1181220, 1259968, 1279655, 1535586, 1574960, 1889952, 2047448, 2362440, 2559310, 3071172, 3149920, 3779904, 3838965, 4094896, 4724880, 5118620, 6142344, 6299840, 7677930, 8189792, 9449760, 10237240, 12284688, 15355860, 16379584, 18899520, 20474480, 24569376, 30711720, 40948960, 49138752, 61423440, 81897920, 122846880, 245693760]

約数ペア:

[(1, 245693760), (2, 122846880), (3, 81897920), (4, 61423440), (5, 49138752), (6, 40948960), (8, 30711720), (10, 24569376), (12, 20474480), (13, 18899520), (15, 16379584), (16, 15355860), (20, 12284688), (24, 10237240), (26, 9449760), (30, 8189792), (32, 7677930), (39, 6299840), (40, 6142344), (48, 5118620), (52, 4724880), (60, 4094896), (64, 3838965), (65, 3779904), (78, 3149920), (80, 3071172), (96, 2559310), (104, 2362440), (120, 2047448), (130, 1889952), (156, 1574960), (160, 1535586), (192, 1279655), (195, 1259968), (208, 1181220), (240, 1023724), (260, 944976), (312, 787480), (320, 767793), (390, 629984), (416, 590610), (480, 511862), (520, 472488), (624, 393740), (780, 314992), (832, 295305), (960, 255931), (1040, 236244), (1248, 196870), (1560, 157496), (2080, 118122), (2496, 98435), (3120, 78748), (4160, 59061), (6240, 39374), (12480, 19687)]