51513560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:481

約数の個数: 128

約数和(自身を含む): 145843200

約数和(自身を除く): 94329640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 421, 437, 460, 532, 644, 665, 760, 805, 842, 874, 920, 1064, 1288, 1330, 1610, 1684, 1748, 2105, 2185, 2660, 2947, 3059, 3220, 3368, 3496, 4210, 4370, 5320, 5894, 6118, 6440, 7999, 8420, 8740, 9683, 11788, 12236, 14735, 15295, 15998, 16840, 17480, 19366, 23576, 24472, 29470, 30590, 31996, 38732, 39995, 48415, 55993, 58940, 61180, 63992, 67781, 77464, 79990, 96830, 111986, 117880, 122360, 135562, 159980, 183977, 193660, 223972, 271124, 279965, 319960, 338905, 367954, 387320, 447944, 542248, 559930, 677810, 735908, 919885, 1119860, 1287839, 1355620, 1471816, 1839770, 2239720, 2575678, 2711240, 3679540, 5151356, 6439195, 7359080, 10302712, 12878390, 25756780, 51513560]

約数ペア:

[(1, 51513560), (2, 25756780), (4, 12878390), (5, 10302712), (7, 7359080), (8, 6439195), (10, 5151356), (14, 3679540), (19, 2711240), (20, 2575678), (23, 2239720), (28, 1839770), (35, 1471816), (38, 1355620), (40, 1287839), (46, 1119860), (56, 919885), (70, 735908), (76, 677810), (92, 559930), (95, 542248), (115, 447944), (133, 387320), (140, 367954), (152, 338905), (161, 319960), (184, 279965), (190, 271124), (230, 223972), (266, 193660), (280, 183977), (322, 159980), (380, 135562), (421, 122360), (437, 117880), (460, 111986), (532, 96830), (644, 79990), (665, 77464), (760, 67781), (805, 63992), (842, 61180), (874, 58940), (920, 55993), (1064, 48415), (1288, 39995), (1330, 38732), (1610, 31996), (1684, 30590), (1748, 29470), (2105, 24472), (2185, 23576), (2660, 19366), (2947, 17480), (3059, 16840), (3220, 15998), (3368, 15295), (3496, 14735), (4210, 12236), (4370, 11788), (5320, 9683), (5894, 8740), (6118, 8420), (6440, 7999)]