78529880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13729}}^1$

素因数の和:13764

約数の個数: 64

約数和(自身を含む): 207597600

約数和(自身を除く): 129067720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 13729, 27458, 54916, 68645, 109832, 137290, 151019, 178477, 274580, 302038, 356954, 549160, 604076, 713908, 755095, 892385, 1208152, 1427816, 1510190, 1784770, 1963247, 3020380, 3569540, 3926494, 6040760, 7139080, 7852988, 9816235, 15705976, 19632470, 39264940, 78529880]

約数ペア:

[(1, 78529880), (2, 39264940), (4, 19632470), (5, 15705976), (8, 9816235), (10, 7852988), (11, 7139080), (13, 6040760), (20, 3926494), (22, 3569540), (26, 3020380), (40, 1963247), (44, 1784770), (52, 1510190), (55, 1427816), (65, 1208152), (88, 892385), (104, 755095), (110, 713908), (130, 604076), (143, 549160), (220, 356954), (260, 302038), (286, 274580), (440, 178477), (520, 151019), (572, 137290), (715, 109832), (1144, 68645), (1430, 54916), (2860, 27458), (5720, 13729)]