7122640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 20355840

約数和(自身を除く): 13233200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 79, 80, 92, 98, 112, 115, 140, 158, 161, 184, 196, 230, 245, 280, 316, 322, 368, 392, 395, 460, 490, 553, 560, 632, 644, 784, 790, 805, 920, 980, 1106, 1127, 1264, 1288, 1580, 1610, 1817, 1840, 1960, 2212, 2254, 2576, 2765, 3160, 3220, 3634, 3871, 3920, 4424, 4508, 5530, 5635, 6320, 6440, 7268, 7742, 8848, 9016, 9085, 11060, 11270, 12719, 12880, 14536, 15484, 18032, 18170, 19355, 22120, 22540, 25438, 29072, 30968, 36340, 38710, 44240, 45080, 50876, 61936, 63595, 72680, 77420, 89033, 90160, 101752, 127190, 145360, 154840, 178066, 203504, 254380, 309680, 356132, 445165, 508760, 712264, 890330, 1017520, 1424528, 1780660, 3561320, 7122640]

約数ペア:

[(1, 7122640), (2, 3561320), (4, 1780660), (5, 1424528), (7, 1017520), (8, 890330), (10, 712264), (14, 508760), (16, 445165), (20, 356132), (23, 309680), (28, 254380), (35, 203504), (40, 178066), (46, 154840), (49, 145360), (56, 127190), (70, 101752), (79, 90160), (80, 89033), (92, 77420), (98, 72680), (112, 63595), (115, 61936), (140, 50876), (158, 45080), (161, 44240), (184, 38710), (196, 36340), (230, 30968), (245, 29072), (280, 25438), (316, 22540), (322, 22120), (368, 19355), (392, 18170), (395, 18032), (460, 15484), (490, 14536), (553, 12880), (560, 12719), (632, 11270), (644, 11060), (784, 9085), (790, 9016), (805, 8848), (920, 7742), (980, 7268), (1106, 6440), (1127, 6320), (1264, 5635), (1288, 5530), (1580, 4508), (1610, 4424), (1817, 3920), (1840, 3871), (1960, 3634), (2212, 3220), (2254, 3160), (2576, 2765)]