402390180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{248389}}^1$

素因数の和:248410

約数の個数: 60

約数和(自身を含む): 1262317980

約数和(自身を除く): 859927800

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 248389, 496778, 745167, 993556, 1241945, 1490334, 2235501, 2483890, 2980668, 3725835, 4471002, 4967780, 6706503, 7451670, 8942004, 11177505, 13413006, 14903340, 20119509, 22355010, 26826012, 33532515, 40239018, 44710020, 67065030, 80478036, 100597545, 134130060, 201195090, 402390180]

約数ペア:

[(1, 402390180), (2, 201195090), (3, 134130060), (4, 100597545), (5, 80478036), (6, 67065030), (9, 44710020), (10, 40239018), (12, 33532515), (15, 26826012), (18, 22355010), (20, 20119509), (27, 14903340), (30, 13413006), (36, 11177505), (45, 8942004), (54, 7451670), (60, 6706503), (81, 4967780), (90, 4471002), (108, 3725835), (135, 2980668), (162, 2483890), (180, 2235501), (270, 1490334), (324, 1241945), (405, 993556), (540, 745167), (810, 496778), (1620, 248389)]