398270880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{39511}}^1$

素因数の和:39539

約数の個数: 144

約数和(自身を含む): 1553295744

約数和(自身を除く): 1155024864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 39511, 79022, 118533, 158044, 197555, 237066, 276577, 316088, 355599, 395110, 474132, 553154, 592665, 632176, 711198, 790220, 829731, 948264, 1106308, 1185330, 1264352, 1382885, 1422396, 1580440, 1659462, 1777995, 1896528, 2212616, 2370660, 2489193, 2765770, 2844792, 3160880, 3318924, 3555990, 3793056, 4148655, 4425232, 4741320, 4978386, 5531540, 5689584, 6321760, 6637848, 7111980, 8297310, 8850464, 9482640, 9956772, 11063080, 11379168, 12445965, 13275696, 14223960, 16594620, 18965280, 19913544, 22126160, 24891930, 26551392, 28447920, 33189240, 39827088, 44252320, 49783860, 56895840, 66378480, 79654176, 99567720, 132756960, 199135440, 398270880]

約数ペア:

[(1, 398270880), (2, 199135440), (3, 132756960), (4, 99567720), (5, 79654176), (6, 66378480), (7, 56895840), (8, 49783860), (9, 44252320), (10, 39827088), (12, 33189240), (14, 28447920), (15, 26551392), (16, 24891930), (18, 22126160), (20, 19913544), (21, 18965280), (24, 16594620), (28, 14223960), (30, 13275696), (32, 12445965), (35, 11379168), (36, 11063080), (40, 9956772), (42, 9482640), (45, 8850464), (48, 8297310), (56, 7111980), (60, 6637848), (63, 6321760), (70, 5689584), (72, 5531540), (80, 4978386), (84, 4741320), (90, 4425232), (96, 4148655), (105, 3793056), (112, 3555990), (120, 3318924), (126, 3160880), (140, 2844792), (144, 2765770), (160, 2489193), (168, 2370660), (180, 2212616), (210, 1896528), (224, 1777995), (240, 1659462), (252, 1580440), (280, 1422396), (288, 1382885), (315, 1264352), (336, 1185330), (360, 1106308), (420, 948264), (480, 829731), (504, 790220), (560, 711198), (630, 632176), (672, 592665), (720, 553154), (840, 474132), (1008, 395110), (1120, 355599), (1260, 316088), (1440, 276577), (1680, 237066), (2016, 197555), (2520, 158044), (3360, 118533), (5040, 79022), (10080, 39511)]