28932800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:155

約数の個数: 126

約数和(自身を含む): 77810868

約数和(自身を除く): 48878068

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 107, 130, 160, 169, 200, 208, 214, 260, 320, 325, 338, 400, 416, 428, 520, 535, 650, 676, 800, 832, 845, 856, 1040, 1070, 1300, 1352, 1391, 1600, 1690, 1712, 2080, 2140, 2600, 2675, 2704, 2782, 3380, 3424, 4160, 4225, 4280, 5200, 5350, 5408, 5564, 6760, 6848, 6955, 8450, 8560, 10400, 10700, 10816, 11128, 13520, 13910, 16900, 17120, 18083, 20800, 21400, 22256, 27040, 27820, 33800, 34240, 34775, 36166, 42800, 44512, 54080, 55640, 67600, 69550, 72332, 85600, 89024, 90415, 111280, 135200, 139100, 144664, 171200, 180830, 222560, 270400, 278200, 289328, 361660, 445120, 452075, 556400, 578656, 723320, 904150, 1112800, 1157312, 1446640, 1808300, 2225600, 2893280, 3616600, 5786560, 7233200, 14466400, 28932800]

約数ペア:

[(1, 28932800), (2, 14466400), (4, 7233200), (5, 5786560), (8, 3616600), (10, 2893280), (13, 2225600), (16, 1808300), (20, 1446640), (25, 1157312), (26, 1112800), (32, 904150), (40, 723320), (50, 578656), (52, 556400), (64, 452075), (65, 445120), (80, 361660), (100, 289328), (104, 278200), (107, 270400), (130, 222560), (160, 180830), (169, 171200), (200, 144664), (208, 139100), (214, 135200), (260, 111280), (320, 90415), (325, 89024), (338, 85600), (400, 72332), (416, 69550), (428, 67600), (520, 55640), (535, 54080), (650, 44512), (676, 42800), (800, 36166), (832, 34775), (845, 34240), (856, 33800), (1040, 27820), (1070, 27040), (1300, 22256), (1352, 21400), (1391, 20800), (1600, 18083), (1690, 17120), (1712, 16900), (2080, 13910), (2140, 13520), (2600, 11128), (2675, 10816), (2704, 10700), (2782, 10400), (3380, 8560), (3424, 8450), (4160, 6955), (4225, 6848), (4280, 6760), (5200, 5564), (5350, 5408)]