1387664040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1651981}}^1$

素因数の和:1652002

約数の個数: 64

約数和(自身を含む): 4757708160

約数和(自身を除く): 3370044120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1651981, 3303962, 4955943, 6607924, 8259905, 9911886, 11563867, 13215848, 16519810, 19823772, 23127734, 24779715, 33039620, 34691601, 39647544, 46255468, 49559430, 57819335, 66079240, 69383202, 92510936, 99118860, 115638670, 138766404, 173458005, 198237720, 231277340, 277532808, 346916010, 462554680, 693832020, 1387664040]

約数ペア:

[(1, 1387664040), (2, 693832020), (3, 462554680), (4, 346916010), (5, 277532808), (6, 231277340), (7, 198237720), (8, 173458005), (10, 138766404), (12, 115638670), (14, 99118860), (15, 92510936), (20, 69383202), (21, 66079240), (24, 57819335), (28, 49559430), (30, 46255468), (35, 39647544), (40, 34691601), (42, 33039620), (56, 24779715), (60, 23127734), (70, 19823772), (84, 16519810), (105, 13215848), (120, 11563867), (140, 9911886), (168, 8259905), (210, 6607924), (280, 4955943), (420, 3303962), (840, 1651981)]