65345560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 180403200

約数和(自身を除く): 115057640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 173, 190, 266, 280, 284, 346, 355, 380, 497, 532, 568, 665, 692, 710, 760, 865, 994, 1064, 1211, 1330, 1349, 1384, 1420, 1730, 1988, 2422, 2485, 2660, 2698, 2840, 3287, 3460, 3976, 4844, 4970, 5320, 5396, 6055, 6574, 6745, 6920, 9443, 9688, 9940, 10792, 12110, 12283, 13148, 13490, 16435, 18886, 19880, 23009, 24220, 24566, 26296, 26980, 32870, 37772, 46018, 47215, 48440, 49132, 53960, 61415, 65740, 75544, 85981, 92036, 94430, 98264, 115045, 122830, 131480, 171962, 184072, 188860, 230090, 233377, 245660, 343924, 377720, 429905, 460180, 466754, 491320, 687848, 859810, 920360, 933508, 1166885, 1633639, 1719620, 1867016, 2333770, 3267278, 3439240, 4667540, 6534556, 8168195, 9335080, 13069112, 16336390, 32672780, 65345560]

約数ペア:

[(1, 65345560), (2, 32672780), (4, 16336390), (5, 13069112), (7, 9335080), (8, 8168195), (10, 6534556), (14, 4667540), (19, 3439240), (20, 3267278), (28, 2333770), (35, 1867016), (38, 1719620), (40, 1633639), (56, 1166885), (70, 933508), (71, 920360), (76, 859810), (95, 687848), (133, 491320), (140, 466754), (142, 460180), (152, 429905), (173, 377720), (190, 343924), (266, 245660), (280, 233377), (284, 230090), (346, 188860), (355, 184072), (380, 171962), (497, 131480), (532, 122830), (568, 115045), (665, 98264), (692, 94430), (710, 92036), (760, 85981), (865, 75544), (994, 65740), (1064, 61415), (1211, 53960), (1330, 49132), (1349, 48440), (1384, 47215), (1420, 46018), (1730, 37772), (1988, 32870), (2422, 26980), (2485, 26296), (2660, 24566), (2698, 24220), (2840, 23009), (3287, 19880), (3460, 18886), (3976, 16435), (4844, 13490), (4970, 13148), (5320, 12283), (5396, 12110), (6055, 10792), (6574, 9940), (6745, 9688), (6920, 9443)]