15661940840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{5009}}^1$

素因数の和:5899

約数の個数: 128

約数和(自身を含む): 43430688000

約数和(自身を除く): 27768747160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 859, 910, 1718, 1820, 3436, 3640, 4295, 5009, 6013, 6872, 8590, 10018, 11167, 12026, 17180, 20036, 22334, 24052, 25045, 30065, 34360, 35063, 40072, 44668, 48104, 50090, 55835, 60130, 65117, 70126, 78169, 89336, 100180, 111670, 120260, 130234, 140252, 156338, 175315, 200360, 223340, 240520, 260468, 280504, 312676, 325585, 350630, 390845, 446680, 455819, 520936, 625352, 651170, 701260, 781690, 911638, 1302340, 1402520, 1563380, 1823276, 2279095, 2604680, 3126760, 3646552, 4302731, 4558190, 8605462, 9116380, 17210924, 18232760, 21513655, 30119117, 34421848, 43027310, 55935503, 60238234, 86054620, 111871006, 120476468, 150595585, 172109240, 223742012, 240952936, 279677515, 301191170, 391548521, 447484024, 559355030, 602382340, 783097042, 1118710060, 1204764680, 1566194084, 1957742605, 2237420120, 3132388168, 3915485210, 7830970420, 15661940840]

約数ペア:

[(1, 15661940840), (2, 7830970420), (4, 3915485210), (5, 3132388168), (7, 2237420120), (8, 1957742605), (10, 1566194084), (13, 1204764680), (14, 1118710060), (20, 783097042), (26, 602382340), (28, 559355030), (35, 447484024), (40, 391548521), (52, 301191170), (56, 279677515), (65, 240952936), (70, 223742012), (91, 172109240), (104, 150595585), (130, 120476468), (140, 111871006), (182, 86054620), (260, 60238234), (280, 55935503), (364, 43027310), (455, 34421848), (520, 30119117), (728, 21513655), (859, 18232760), (910, 17210924), (1718, 9116380), (1820, 8605462), (3436, 4558190), (3640, 4302731), (4295, 3646552), (5009, 3126760), (6013, 2604680), (6872, 2279095), (8590, 1823276), (10018, 1563380), (11167, 1402520), (12026, 1302340), (17180, 911638), (20036, 781690), (22334, 701260), (24052, 651170), (25045, 625352), (30065, 520936), (34360, 455819), (35063, 446680), (40072, 390845), (44668, 350630), (48104, 325585), (50090, 312676), (55835, 280504), (60130, 260468), (65117, 240520), (70126, 223340), (78169, 200360), (89336, 175315), (100180, 156338), (111670, 140252), (120260, 130234)]