68880720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{287003}}^1$

素因数の和:287019

約数の個数: 40

約数和(自身を含む): 213530976

約数和(自身を除く): 144650256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 287003, 574006, 861009, 1148012, 1435015, 1722018, 2296024, 2870030, 3444036, 4305045, 4592048, 5740060, 6888072, 8610090, 11480120, 13776144, 17220180, 22960240, 34440360, 68880720]

約数ペア:

[(1, 68880720), (2, 34440360), (3, 22960240), (4, 17220180), (5, 13776144), (6, 11480120), (8, 8610090), (10, 6888072), (12, 5740060), (15, 4592048), (16, 4305045), (20, 3444036), (24, 2870030), (30, 2296024), (40, 1722018), (48, 1435015), (60, 1148012), (80, 861009), (120, 574006), (240, 287003)]