891147880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7283}}^1$

素因数の和:7343

約数の個数: 128

約数和(自身を含む): 2517350400

約数和(自身を除く): 1626202520

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, 437, 460, 532, 644, 665, 760, 805, 874, 920, 1064, 1288, 1330, 1610, 1748, 2185, 2660, 3059, 3220, 3496, 4370, 5320, 6118, 6440, 7283, 8740, 12236, 14566, 15295, 17480, 24472, 29132, 30590, 36415, 50981, 58264, 61180, 72830, 101962, 122360, 138377, 145660, 167509, 203924, 254905, 276754, 291320, 335018, 407848, 509810, 553508, 670036, 691885, 837545, 968639, 1019620, 1107016, 1172563, 1340072, 1383770, 1675090, 1937278, 2039240, 2345126, 2767540, 3182671, 3350180, 3874556, 4690252, 4843195, 5535080, 5862815, 6365342, 6700360, 7749112, 9380504, 9686390, 11725630, 12730684, 15913355, 19372780, 22278697, 23451260, 25461368, 31826710, 38745560, 44557394, 46902520, 63653420, 89114788, 111393485, 127306840, 178229576, 222786970, 445573940, 891147880]

約数ペア:

[(1, 891147880), (2, 445573940), (4, 222786970), (5, 178229576), (7, 127306840), (8, 111393485), (10, 89114788), (14, 63653420), (19, 46902520), (20, 44557394), (23, 38745560), (28, 31826710), (35, 25461368), (38, 23451260), (40, 22278697), (46, 19372780), (56, 15913355), (70, 12730684), (76, 11725630), (92, 9686390), (95, 9380504), (115, 7749112), (133, 6700360), (140, 6365342), (152, 5862815), (161, 5535080), (184, 4843195), (190, 4690252), (230, 3874556), (266, 3350180), (280, 3182671), (322, 2767540), (380, 2345126), (437, 2039240), (460, 1937278), (532, 1675090), (644, 1383770), (665, 1340072), (760, 1172563), (805, 1107016), (874, 1019620), (920, 968639), (1064, 837545), (1288, 691885), (1330, 670036), (1610, 553508), (1748, 509810), (2185, 407848), (2660, 335018), (3059, 291320), (3220, 276754), (3496, 254905), (4370, 203924), (5320, 167509), (6118, 145660), (6440, 138377), (7283, 122360), (8740, 101962), (12236, 72830), (14566, 61180), (15295, 58264), (17480, 50981), (24472, 36415), (29132, 30590)]