1420440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 5184000

約数和(自身を除く): 3763560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 89, 95, 105, 114, 120, 133, 140, 152, 168, 178, 190, 210, 228, 266, 267, 280, 285, 356, 380, 399, 420, 445, 456, 532, 534, 570, 623, 665, 712, 760, 798, 840, 890, 1064, 1068, 1140, 1246, 1330, 1335, 1596, 1691, 1780, 1869, 1995, 2136, 2280, 2492, 2660, 2670, 3115, 3192, 3382, 3560, 3738, 3990, 4984, 5073, 5320, 5340, 6230, 6764, 7476, 7980, 8455, 9345, 10146, 10680, 11837, 12460, 13528, 14952, 15960, 16910, 18690, 20292, 23674, 24920, 25365, 33820, 35511, 37380, 40584, 47348, 50730, 59185, 67640, 71022, 74760, 94696, 101460, 118370, 142044, 177555, 202920, 236740, 284088, 355110, 473480, 710220, 1420440]

約数ペア:

[(1, 1420440), (2, 710220), (3, 473480), (4, 355110), (5, 284088), (6, 236740), (7, 202920), (8, 177555), (10, 142044), (12, 118370), (14, 101460), (15, 94696), (19, 74760), (20, 71022), (21, 67640), (24, 59185), (28, 50730), (30, 47348), (35, 40584), (38, 37380), (40, 35511), (42, 33820), (56, 25365), (57, 24920), (60, 23674), (70, 20292), (76, 18690), (84, 16910), (89, 15960), (95, 14952), (105, 13528), (114, 12460), (120, 11837), (133, 10680), (140, 10146), (152, 9345), (168, 8455), (178, 7980), (190, 7476), (210, 6764), (228, 6230), (266, 5340), (267, 5320), (280, 5073), (285, 4984), (356, 3990), (380, 3738), (399, 3560), (420, 3382), (445, 3192), (456, 3115), (532, 2670), (534, 2660), (570, 2492), (623, 2280), (665, 2136), (712, 1995), (760, 1869), (798, 1780), (840, 1691), (890, 1596), (1064, 1335), (1068, 1330), (1140, 1246)]