1321506720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{917713}}^1$

素因数の和:917734

約数の個数: 72

約数和(自身を含む): 4509646596

約数和(自身を除く): 3188139876

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, 917713, 1835426, 2753139, 3670852, 4588565, 5506278, 7341704, 8259417, 9177130, 11012556, 13765695, 14683408, 16518834, 18354260, 22025112, 27531390, 29366816, 33037668, 36708520, 41297085, 44050224, 55062780, 66075336, 73417040, 82594170, 88100448, 110125560, 132150672, 146834080, 165188340, 220251120, 264301344, 330376680, 440502240, 660753360, 1321506720]

約数ペア:

[(1, 1321506720), (2, 660753360), (3, 440502240), (4, 330376680), (5, 264301344), (6, 220251120), (8, 165188340), (9, 146834080), (10, 132150672), (12, 110125560), (15, 88100448), (16, 82594170), (18, 73417040), (20, 66075336), (24, 55062780), (30, 44050224), (32, 41297085), (36, 36708520), (40, 33037668), (45, 29366816), (48, 27531390), (60, 22025112), (72, 18354260), (80, 16518834), (90, 14683408), (96, 13765695), (120, 11012556), (144, 9177130), (160, 8259417), (180, 7341704), (240, 5506278), (288, 4588565), (360, 3670852), (480, 2753139), (720, 1835426), (1440, 917713)]