79737580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 187415424

約数和(自身を除く): 107677844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 761, 806, 845, 1522, 1612, 1690, 2015, 3044, 3380, 3805, 4030, 5239, 7610, 8060, 9893, 10478, 15220, 19786, 20956, 23591, 26195, 39572, 47182, 49465, 52390, 94364, 98930, 104780, 117955, 128609, 197860, 235910, 257218, 306683, 471820, 514436, 613366, 643045, 1226732, 1286090, 1533415, 2572180, 3066830, 3986879, 6133660, 7973758, 15947516, 19934395, 39868790, 79737580]

約数ペア:

[(1, 79737580), (2, 39868790), (4, 19934395), (5, 15947516), (10, 7973758), (13, 6133660), (20, 3986879), (26, 3066830), (31, 2572180), (52, 1533415), (62, 1286090), (65, 1226732), (124, 643045), (130, 613366), (155, 514436), (169, 471820), (260, 306683), (310, 257218), (338, 235910), (403, 197860), (620, 128609), (676, 117955), (761, 104780), (806, 98930), (845, 94364), (1522, 52390), (1612, 49465), (1690, 47182), (2015, 39572), (3044, 26195), (3380, 23591), (3805, 20956), (4030, 19786), (5239, 15220), (7610, 10478), (8060, 9893)]