15672820720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{44657}}^1$

素因数の和:44818

約数の個数: 80

約数和(自身を含む): 37677775968

約数和(自身を除く): 22004955248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 107, 164, 205, 214, 328, 410, 428, 535, 656, 820, 856, 1070, 1640, 1712, 2140, 3280, 4280, 4387, 8560, 8774, 17548, 21935, 35096, 43870, 44657, 70192, 87740, 89314, 175480, 178628, 223285, 350960, 357256, 446570, 714512, 893140, 1786280, 1830937, 3572560, 3661874, 4778299, 7323748, 9154685, 9556598, 14647496, 18309370, 19113196, 23891495, 29294992, 36618740, 38226392, 47782990, 73237480, 76452784, 95565980, 146474960, 191131960, 195910259, 382263920, 391820518, 783641036, 979551295, 1567282072, 1959102590, 3134564144, 3918205180, 7836410360, 15672820720]

約数ペア:

[(1, 15672820720), (2, 7836410360), (4, 3918205180), (5, 3134564144), (8, 1959102590), (10, 1567282072), (16, 979551295), (20, 783641036), (40, 391820518), (41, 382263920), (80, 195910259), (82, 191131960), (107, 146474960), (164, 95565980), (205, 76452784), (214, 73237480), (328, 47782990), (410, 38226392), (428, 36618740), (535, 29294992), (656, 23891495), (820, 19113196), (856, 18309370), (1070, 14647496), (1640, 9556598), (1712, 9154685), (2140, 7323748), (3280, 4778299), (4280, 3661874), (4387, 3572560), (8560, 1830937), (8774, 1786280), (17548, 893140), (21935, 714512), (35096, 446570), (43870, 357256), (44657, 350960), (70192, 223285), (87740, 178628), (89314, 175480)]