15721944720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1\times {\mathrm{983}}^1$

素因数の和:1749

約数の個数: 160

約数和(自身を含む): 49337413632

約数和(自身を除く): 33615468912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 647, 824, 983, 1030, 1236, 1294, 1545, 1648, 1941, 1966, 2060, 2472, 2588, 2949, 3090, 3235, 3882, 3932, 4120, 4915, 4944, 5176, 5898, 6180, 6470, 7764, 7864, 8240, 9705, 9830, 10352, 11796, 12360, 12940, 14745, 15528, 15728, 19410, 19660, 23592, 24720, 25880, 29490, 31056, 38820, 39320, 47184, 51760, 58980, 66641, 77640, 78640, 101249, 117960, 133282, 155280, 199923, 202498, 235920, 266564, 303747, 333205, 399846, 404996, 506245, 533128, 607494, 636001, 666410, 799692, 809992, 999615, 1012490, 1066256, 1214988, 1272002, 1332820, 1518735, 1599384, 1619984, 1908003, 1999230, 2024980, 2429976, 2544004, 2665640, 3037470, 3180005, 3198768, 3816006, 3998460, 4049960, 4859952, 5088008, 5331280, 6074940, 6360010, 7632012, 7996920, 8099920, 9540015, 10176016, 12149880, 12720020, 15264024, 15993840, 19080030, 24299760, 25440040, 30528048, 38160060, 50880080, 65508103, 76320120, 131016206, 152640240, 196524309, 262032412, 327540515, 393048618, 524064824, 655081030, 786097236, 982621545, 1048129648, 1310162060, 1572194472, 1965243090, 2620324120, 3144388944, 3930486180, 5240648240, 7860972360, 15721944720]

約数ペア:

[(1, 15721944720), (2, 7860972360), (3, 5240648240), (4, 3930486180), (5, 3144388944), (6, 2620324120), (8, 1965243090), (10, 1572194472), (12, 1310162060), (15, 1048129648), (16, 982621545), (20, 786097236), (24, 655081030), (30, 524064824), (40, 393048618), (48, 327540515), (60, 262032412), (80, 196524309), (103, 152640240), (120, 131016206), (206, 76320120), (240, 65508103), (309, 50880080), (412, 38160060), (515, 30528048), (618, 25440040), (647, 24299760), (824, 19080030), (983, 15993840), (1030, 15264024), (1236, 12720020), (1294, 12149880), (1545, 10176016), (1648, 9540015), (1941, 8099920), (1966, 7996920), (2060, 7632012), (2472, 6360010), (2588, 6074940), (2949, 5331280), (3090, 5088008), (3235, 4859952), (3882, 4049960), (3932, 3998460), (4120, 3816006), (4915, 3198768), (4944, 3180005), (5176, 3037470), (5898, 2665640), (6180, 2544004), (6470, 2429976), (7764, 2024980), (7864, 1999230), (8240, 1908003), (9705, 1619984), (9830, 1599384), (10352, 1518735), (11796, 1332820), (12360, 1272002), (12940, 1214988), (14745, 1066256), (15528, 1012490), (15728, 999615), (19410, 809992), (19660, 799692), (23592, 666410), (24720, 636001), (25880, 607494), (29490, 533128), (31056, 506245), (38820, 404996), (39320, 399846), (47184, 333205), (51760, 303747), (58980, 266564), (66641, 235920), (77640, 202498), (78640, 199923), (101249, 155280), (117960, 133282)]