145320720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{605503}}^1$

素因数の和:605519

約数の個数: 40

約数和(自身を含む): 450494976

約数和(自身を除く): 305174256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 605503, 1211006, 1816509, 2422012, 3027515, 3633018, 4844024, 6055030, 7266036, 9082545, 9688048, 12110060, 14532072, 18165090, 24220120, 29064144, 36330180, 48440240, 72660360, 145320720]

約数ペア:

[(1, 145320720), (2, 72660360), (3, 48440240), (4, 36330180), (5, 29064144), (6, 24220120), (8, 18165090), (10, 14532072), (12, 12110060), (15, 9688048), (16, 9082545), (20, 7266036), (24, 6055030), (30, 4844024), (40, 3633018), (48, 3027515), (60, 2422012), (80, 1816509), (120, 1211006), (240, 605503)]