2865408520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{557}}^1\times {\mathrm{761}}^1$

素因数の和:1355

約数の個数: 96

約数和(自身を含む): 7002978120

約数和(自身を除く): 4137569600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 557, 676, 761, 845, 1114, 1352, 1522, 1690, 2228, 2785, 3044, 3380, 3805, 4456, 5570, 6088, 6760, 7241, 7610, 9893, 11140, 14482, 15220, 19786, 22280, 28964, 30440, 36205, 39572, 49465, 57928, 72410, 79144, 94133, 98930, 128609, 144820, 188266, 197860, 257218, 289640, 376532, 395720, 423877, 470665, 514436, 643045, 753064, 847754, 941330, 1028872, 1286090, 1695508, 1882660, 2119385, 2572180, 3391016, 3765320, 4238770, 5144360, 5510401, 8477540, 11020802, 16955080, 22041604, 27552005, 44083208, 55104010, 71635213, 110208020, 143270426, 220416040, 286540852, 358176065, 573081704, 716352130, 1432704260, 2865408520]

約数ペア:

[(1, 2865408520), (2, 1432704260), (4, 716352130), (5, 573081704), (8, 358176065), (10, 286540852), (13, 220416040), (20, 143270426), (26, 110208020), (40, 71635213), (52, 55104010), (65, 44083208), (104, 27552005), (130, 22041604), (169, 16955080), (260, 11020802), (338, 8477540), (520, 5510401), (557, 5144360), (676, 4238770), (761, 3765320), (845, 3391016), (1114, 2572180), (1352, 2119385), (1522, 1882660), (1690, 1695508), (2228, 1286090), (2785, 1028872), (3044, 941330), (3380, 847754), (3805, 753064), (4456, 643045), (5570, 514436), (6088, 470665), (6760, 423877), (7241, 395720), (7610, 376532), (9893, 289640), (11140, 257218), (14482, 197860), (15220, 188266), (19786, 144820), (22280, 128609), (28964, 98930), (30440, 94133), (36205, 79144), (39572, 72410), (49465, 57928)]