138864720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{578603}}^1$

素因数の和:578619

約数の個数: 40

約数和(自身を含む): 430481376

約数和(自身を除く): 291616656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 578603, 1157206, 1735809, 2314412, 2893015, 3471618, 4628824, 5786030, 6943236, 8679045, 9257648, 11572060, 13886472, 17358090, 23144120, 27772944, 34716180, 46288240, 69432360, 138864720]

約数ペア:

[(1, 138864720), (2, 69432360), (3, 46288240), (4, 34716180), (5, 27772944), (6, 23144120), (8, 17358090), (10, 13886472), (12, 11572060), (15, 9257648), (16, 8679045), (20, 6943236), (24, 5786030), (30, 4628824), (40, 3471618), (48, 2893015), (60, 2314412), (80, 1735809), (120, 1157206), (240, 578603)]