13305031480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{1987}}^1$

素因数の和:2253

約数の個数: 128

約数和(自身を含む): 32864025600

約数和(自身を除く): 19558994120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 163, 260, 316, 326, 395, 520, 632, 652, 790, 815, 1027, 1304, 1580, 1630, 1987, 2054, 2119, 3160, 3260, 3974, 4108, 4238, 5135, 6520, 7948, 8216, 8476, 9935, 10270, 10595, 12877, 15896, 16952, 19870, 20540, 21190, 25754, 25831, 39740, 41080, 42380, 51508, 51662, 64385, 79480, 84760, 103016, 103324, 128770, 129155, 156973, 167401, 206648, 257540, 258310, 313946, 323881, 334802, 515080, 516620, 627892, 647762, 669604, 784865, 837005, 1033240, 1255784, 1295524, 1339208, 1569730, 1619405, 1674010, 2040649, 2591048, 3139460, 3238810, 3348020, 4081298, 4210453, 6278920, 6477620, 6696040, 8162596, 8420906, 10203245, 12955240, 16325192, 16841812, 20406490, 21052265, 25586599, 33683624, 40812980, 42104530, 51173198, 81625960, 84209060, 102346396, 127932995, 168418120, 204692792, 255865990, 332625787, 511731980, 665251574, 1023463960, 1330503148, 1663128935, 2661006296, 3326257870, 6652515740, 13305031480]

約数ペア:

[(1, 13305031480), (2, 6652515740), (4, 3326257870), (5, 2661006296), (8, 1663128935), (10, 1330503148), (13, 1023463960), (20, 665251574), (26, 511731980), (40, 332625787), (52, 255865990), (65, 204692792), (79, 168418120), (104, 127932995), (130, 102346396), (158, 84209060), (163, 81625960), (260, 51173198), (316, 42104530), (326, 40812980), (395, 33683624), (520, 25586599), (632, 21052265), (652, 20406490), (790, 16841812), (815, 16325192), (1027, 12955240), (1304, 10203245), (1580, 8420906), (1630, 8162596), (1987, 6696040), (2054, 6477620), (2119, 6278920), (3160, 4210453), (3260, 4081298), (3974, 3348020), (4108, 3238810), (4238, 3139460), (5135, 2591048), (6520, 2040649), (7948, 1674010), (8216, 1619405), (8476, 1569730), (9935, 1339208), (10270, 1295524), (10595, 1255784), (12877, 1033240), (15896, 837005), (16952, 784865), (19870, 669604), (20540, 647762), (21190, 627892), (25754, 516620), (25831, 515080), (39740, 334802), (41080, 323881), (42380, 313946), (51508, 258310), (51662, 257540), (64385, 206648), (79480, 167401), (84760, 156973), (103016, 129155), (103324, 128770)]