171480971920

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1949}}^1\times {\mathrm{2689}}^1$

素因数の和:5060

約数の個数: 80

約数和(自身を含む): 400021830000

約数和(自身を除く): 228540858080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 1949, 2045, 2689, 3272, 3898, 4090, 5378, 6544, 7796, 8180, 9745, 10756, 13445, 15592, 16360, 19490, 21512, 26890, 31184, 32720, 38980, 43024, 53780, 77960, 107560, 155920, 215120, 797141, 1099801, 1594282, 2199602, 3188564, 3985705, 4399204, 5240861, 5499005, 6377128, 7971410, 8798408, 10481722, 10998010, 12754256, 15942820, 17596816, 20963444, 21996020, 26204305, 31885640, 41926888, 43992040, 52408610, 63771280, 83853776, 87984080, 104817220, 209634440, 419268880, 2143512149, 4287024298, 8574048596, 10717560745, 17148097192, 21435121490, 34296194384, 42870242980, 85740485960, 171480971920]

約数ペア:

[(1, 171480971920), (2, 85740485960), (4, 42870242980), (5, 34296194384), (8, 21435121490), (10, 17148097192), (16, 10717560745), (20, 8574048596), (40, 4287024298), (80, 2143512149), (409, 419268880), (818, 209634440), (1636, 104817220), (1949, 87984080), (2045, 83853776), (2689, 63771280), (3272, 52408610), (3898, 43992040), (4090, 41926888), (5378, 31885640), (6544, 26204305), (7796, 21996020), (8180, 20963444), (9745, 17596816), (10756, 15942820), (13445, 12754256), (15592, 10998010), (16360, 10481722), (19490, 8798408), (21512, 7971410), (26890, 6377128), (31184, 5499005), (32720, 5240861), (38980, 4399204), (43024, 3985705), (53780, 3188564), (77960, 2199602), (107560, 1594282), (155920, 1099801), (215120, 797141)]