7788534040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{6653}}^1$

素因数の和:6821

約数の個数: 128

約数和(自身を含む): 20754092160

約数和(自身を除く): 12965558120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 113, 140, 148, 185, 226, 259, 280, 296, 370, 452, 518, 565, 740, 791, 904, 1036, 1130, 1295, 1480, 1582, 2072, 2260, 2590, 3164, 3955, 4181, 4520, 5180, 6328, 6653, 7910, 8362, 10360, 13306, 15820, 16724, 20905, 26612, 29267, 31640, 33265, 33448, 41810, 46571, 53224, 58534, 66530, 83620, 93142, 117068, 133060, 146335, 167240, 186284, 232855, 234136, 246161, 266120, 292670, 372568, 465710, 492322, 585340, 751789, 931420, 984644, 1170680, 1230805, 1503578, 1723127, 1862840, 1969288, 2461610, 3007156, 3446254, 3758945, 4923220, 5262523, 6014312, 6892508, 7517890, 8615635, 9846440, 10525046, 13785016, 15035780, 17231270, 21050092, 26312615, 27816193, 30071560, 34462540, 42100184, 52625230, 55632386, 68925080, 105250460, 111264772, 139080965, 194713351, 210500920, 222529544, 278161930, 389426702, 556323860, 778853404, 973566755, 1112647720, 1557706808, 1947133510, 3894267020, 7788534040]

約数ペア:

[(1, 7788534040), (2, 3894267020), (4, 1947133510), (5, 1557706808), (7, 1112647720), (8, 973566755), (10, 778853404), (14, 556323860), (20, 389426702), (28, 278161930), (35, 222529544), (37, 210500920), (40, 194713351), (56, 139080965), (70, 111264772), (74, 105250460), (113, 68925080), (140, 55632386), (148, 52625230), (185, 42100184), (226, 34462540), (259, 30071560), (280, 27816193), (296, 26312615), (370, 21050092), (452, 17231270), (518, 15035780), (565, 13785016), (740, 10525046), (791, 9846440), (904, 8615635), (1036, 7517890), (1130, 6892508), (1295, 6014312), (1480, 5262523), (1582, 4923220), (2072, 3758945), (2260, 3446254), (2590, 3007156), (3164, 2461610), (3955, 1969288), (4181, 1862840), (4520, 1723127), (5180, 1503578), (6328, 1230805), (6653, 1170680), (7910, 984644), (8362, 931420), (10360, 751789), (13306, 585340), (15820, 492322), (16724, 465710), (20905, 372568), (26612, 292670), (29267, 266120), (31640, 246161), (33265, 234136), (33448, 232855), (41810, 186284), (46571, 167240), (53224, 146335), (58534, 133060), (66530, 117068), (83620, 93142)]