30319640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 74088000

約数和(自身を除く): 43768360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 293, 398, 520, 586, 796, 995, 1172, 1465, 1592, 1990, 2344, 2587, 2930, 3809, 3980, 5174, 5860, 7618, 7960, 10348, 11720, 12935, 15236, 19045, 20696, 25870, 30472, 38090, 51740, 58307, 76180, 103480, 116614, 152360, 233228, 291535, 466456, 583070, 757991, 1166140, 1515982, 2332280, 3031964, 3789955, 6063928, 7579910, 15159820, 30319640]

約数ペア:

[(1, 30319640), (2, 15159820), (4, 7579910), (5, 6063928), (8, 3789955), (10, 3031964), (13, 2332280), (20, 1515982), (26, 1166140), (40, 757991), (52, 583070), (65, 466456), (104, 291535), (130, 233228), (199, 152360), (260, 116614), (293, 103480), (398, 76180), (520, 58307), (586, 51740), (796, 38090), (995, 30472), (1172, 25870), (1465, 20696), (1592, 19045), (1990, 15236), (2344, 12935), (2587, 11720), (2930, 10348), (3809, 7960), (3980, 7618), (5174, 5860)]