77516640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53831}}^1$

素因数の和:53852

約数の個数: 72

約数和(自身を含む): 264530448

約数和(自身を除く): 187013808

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, 53831, 107662, 161493, 215324, 269155, 322986, 430648, 484479, 538310, 645972, 807465, 861296, 968958, 1076620, 1291944, 1614930, 1722592, 1937916, 2153240, 2422395, 2583888, 3229860, 3875832, 4306480, 4844790, 5167776, 6459720, 7751664, 8612960, 9689580, 12919440, 15503328, 19379160, 25838880, 38758320, 77516640]

約数ペア:

[(1, 77516640), (2, 38758320), (3, 25838880), (4, 19379160), (5, 15503328), (6, 12919440), (8, 9689580), (9, 8612960), (10, 7751664), (12, 6459720), (15, 5167776), (16, 4844790), (18, 4306480), (20, 3875832), (24, 3229860), (30, 2583888), (32, 2422395), (36, 2153240), (40, 1937916), (45, 1722592), (48, 1614930), (60, 1291944), (72, 1076620), (80, 968958), (90, 861296), (96, 807465), (120, 645972), (144, 538310), (160, 484479), (180, 430648), (240, 322986), (288, 269155), (360, 215324), (480, 161493), (720, 107662), (1440, 53831)]