316256640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23531}}^1$

素因数の和:23560

約数の個数: 128

約数和(自身を含む): 1152126720

約数和(自身を除く): 835870080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 23531, 47062, 70593, 94124, 117655, 141186, 164717, 188248, 235310, 282372, 329434, 352965, 376496, 470620, 494151, 564744, 658868, 705930, 752992, 823585, 941240, 988302, 1129488, 1317736, 1411860, 1505984, 1647170, 1882480, 1976604, 2258976, 2470755, 2635472, 2823720, 3011968, 3294340, 3764960, 3953208, 4517952, 4941510, 5270944, 5647440, 6588680, 7529920, 7906416, 9035904, 9883020, 10541888, 11294880, 13177360, 15059840, 15812832, 19766040, 21083776, 22589760, 26354720, 31625664, 39532080, 45179520, 52709440, 63251328, 79064160, 105418880, 158128320, 316256640]

約数ペア:

[(1, 316256640), (2, 158128320), (3, 105418880), (4, 79064160), (5, 63251328), (6, 52709440), (7, 45179520), (8, 39532080), (10, 31625664), (12, 26354720), (14, 22589760), (15, 21083776), (16, 19766040), (20, 15812832), (21, 15059840), (24, 13177360), (28, 11294880), (30, 10541888), (32, 9883020), (35, 9035904), (40, 7906416), (42, 7529920), (48, 6588680), (56, 5647440), (60, 5270944), (64, 4941510), (70, 4517952), (80, 3953208), (84, 3764960), (96, 3294340), (105, 3011968), (112, 2823720), (120, 2635472), (128, 2470755), (140, 2258976), (160, 1976604), (168, 1882480), (192, 1647170), (210, 1505984), (224, 1411860), (240, 1317736), (280, 1129488), (320, 988302), (336, 941240), (384, 823585), (420, 752992), (448, 705930), (480, 658868), (560, 564744), (640, 494151), (672, 470620), (840, 376496), (896, 352965), (960, 329434), (1120, 282372), (1344, 235310), (1680, 188248), (1920, 164717), (2240, 141186), (2688, 117655), (3360, 94124), (4480, 70593), (6720, 47062), (13440, 23531)]