2120702080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1249}}^1$

素因数の和:1654

約数の個数: 128

約数和(自身を含む): 5814000000

約数和(自身を除く): 3693297920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 379, 448, 560, 640, 758, 896, 1120, 1249, 1516, 1895, 2240, 2498, 2653, 3032, 3790, 4480, 4996, 5306, 6064, 6245, 7580, 8743, 9992, 10612, 12128, 12490, 13265, 15160, 17486, 19984, 21224, 24256, 24980, 26530, 30320, 34972, 39968, 42448, 43715, 48512, 49960, 53060, 60640, 69944, 79936, 84896, 87430, 99920, 106120, 121280, 139888, 159872, 169792, 174860, 199840, 212240, 242560, 279776, 339584, 349720, 399680, 424480, 473371, 559552, 699440, 799360, 848960, 946742, 1119104, 1398880, 1697920, 1893484, 2366855, 2797760, 3313597, 3786968, 4733710, 5595520, 6627194, 7573936, 9467420, 13254388, 15147872, 16567985, 18934840, 26508776, 30295744, 33135970, 37869680, 53017552, 60591488, 66271940, 75739360, 106035104, 132543880, 151478720, 212070208, 265087760, 302957440, 424140416, 530175520, 1060351040, 2120702080]

約数ペア:

[(1, 2120702080), (2, 1060351040), (4, 530175520), (5, 424140416), (7, 302957440), (8, 265087760), (10, 212070208), (14, 151478720), (16, 132543880), (20, 106035104), (28, 75739360), (32, 66271940), (35, 60591488), (40, 53017552), (56, 37869680), (64, 33135970), (70, 30295744), (80, 26508776), (112, 18934840), (128, 16567985), (140, 15147872), (160, 13254388), (224, 9467420), (280, 7573936), (320, 6627194), (379, 5595520), (448, 4733710), (560, 3786968), (640, 3313597), (758, 2797760), (896, 2366855), (1120, 1893484), (1249, 1697920), (1516, 1398880), (1895, 1119104), (2240, 946742), (2498, 848960), (2653, 799360), (3032, 699440), (3790, 559552), (4480, 473371), (4996, 424480), (5306, 399680), (6064, 349720), (6245, 339584), (7580, 279776), (8743, 242560), (9992, 212240), (10612, 199840), (12128, 174860), (12490, 169792), (13265, 159872), (15160, 139888), (17486, 121280), (19984, 106120), (21224, 99920), (24256, 87430), (24980, 84896), (26530, 79936), (30320, 69944), (34972, 60640), (39968, 53060), (42448, 49960), (43715, 48512)]