320706720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{222713}}^1$

素因数の和:222734

約数の個数: 72

約数和(自身を含む): 1094416596

約数和(自身を除く): 773709876

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, 222713, 445426, 668139, 890852, 1113565, 1336278, 1781704, 2004417, 2227130, 2672556, 3340695, 3563408, 4008834, 4454260, 5345112, 6681390, 7126816, 8017668, 8908520, 10022085, 10690224, 13362780, 16035336, 17817040, 20044170, 21380448, 26725560, 32070672, 35634080, 40088340, 53451120, 64141344, 80176680, 106902240, 160353360, 320706720]

約数ペア:

[(1, 320706720), (2, 160353360), (3, 106902240), (4, 80176680), (5, 64141344), (6, 53451120), (8, 40088340), (9, 35634080), (10, 32070672), (12, 26725560), (15, 21380448), (16, 20044170), (18, 17817040), (20, 16035336), (24, 13362780), (30, 10690224), (32, 10022085), (36, 8908520), (40, 8017668), (45, 7126816), (48, 6681390), (60, 5345112), (72, 4454260), (80, 4008834), (90, 3563408), (96, 3340695), (120, 2672556), (144, 2227130), (160, 2004417), (180, 1781704), (240, 1336278), (288, 1113565), (360, 890852), (480, 668139), (720, 445426), (1440, 222713)]