247680720

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{16381}}^1$

素因数の和:16410

約数の個数: 160

約数和(自身を含む): 975056640

約数和(自身を除く): 727375920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 16381, 32762, 49143, 65524, 81905, 98286, 114667, 131048, 147429, 163810, 196572, 229334, 245715, 262096, 294858, 327620, 344001, 393144, 442287, 458668, 491430, 573335, 589716, 655240, 688002, 737145, 786288, 884574, 917336, 982860, 1032003, 1146670, 1179432, 1310480, 1376004, 1474290, 1720005, 1769148, 1834672, 1965720, 2064006, 2211435, 2293340, 2358864, 2752008, 2948580, 3096009, 3440010, 3538296, 3931440, 4128012, 4422870, 4586680, 5160015, 5504016, 5897160, 6192018, 6880020, 7076592, 8256024, 8845740, 9173360, 10320030, 11794320, 12384036, 13760040, 15480045, 16512048, 17691480, 20640060, 24768072, 27520080, 30960090, 35382960, 41280120, 49536144, 61920180, 82560240, 123840360, 247680720]

約数ペア:

[(1, 247680720), (2, 123840360), (3, 82560240), (4, 61920180), (5, 49536144), (6, 41280120), (7, 35382960), (8, 30960090), (9, 27520080), (10, 24768072), (12, 20640060), (14, 17691480), (15, 16512048), (16, 15480045), (18, 13760040), (20, 12384036), (21, 11794320), (24, 10320030), (27, 9173360), (28, 8845740), (30, 8256024), (35, 7076592), (36, 6880020), (40, 6192018), (42, 5897160), (45, 5504016), (48, 5160015), (54, 4586680), (56, 4422870), (60, 4128012), (63, 3931440), (70, 3538296), (72, 3440010), (80, 3096009), (84, 2948580), (90, 2752008), (105, 2358864), (108, 2293340), (112, 2211435), (120, 2064006), (126, 1965720), (135, 1834672), (140, 1769148), (144, 1720005), (168, 1474290), (180, 1376004), (189, 1310480), (210, 1179432), (216, 1146670), (240, 1032003), (252, 982860), (270, 917336), (280, 884574), (315, 786288), (336, 737145), (360, 688002), (378, 655240), (420, 589716), (432, 573335), (504, 491430), (540, 458668), (560, 442287), (630, 393144), (720, 344001), (756, 327620), (840, 294858), (945, 262096), (1008, 245715), (1080, 229334), (1260, 196572), (1512, 163810), (1680, 147429), (1890, 131048), (2160, 114667), (2520, 98286), (3024, 81905), (3780, 65524), (5040, 49143), (7560, 32762), (15120, 16381)]