311496480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{216317}}^1$

素因数の和:216338

約数の個数: 72

約数和(自身を含む): 1062986652

約数和(自身を除く): 751490172

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 216317, 432634, 648951, 865268, 1081585, 1297902, 1730536, 1946853, 2163170, 2595804, 3244755, 3461072, 3893706, 4326340, 5191608, 6489510, 6922144, 7787412, 8652680, 9734265, 10383216, 12979020, 15574824, 17305360, 19468530, 20766432, 25958040, 31149648, 34610720, 38937060, 51916080, 62299296, 77874120, 103832160, 155748240, 311496480]

約数ペア:

[(1, 311496480), (2, 155748240), (3, 103832160), (4, 77874120), (5, 62299296), (6, 51916080), (8, 38937060), (9, 34610720), (10, 31149648), (12, 25958040), (15, 20766432), (16, 19468530), (18, 17305360), (20, 15574824), (24, 12979020), (30, 10383216), (32, 9734265), (36, 8652680), (40, 7787412), (45, 6922144), (48, 6489510), (60, 5191608), (72, 4326340), (80, 3893706), (90, 3461072), (96, 3244755), (120, 2595804), (144, 2163170), (160, 1946853), (180, 1730536), (240, 1297902), (288, 1081585), (360, 865268), (480, 648951), (720, 432634), (1440, 216317)]