28086720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1721}}^1$

素因数の和:1758

約数の個数: 112

約数和(自身を含む): 94475808

約数和(自身を除く): 66389088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 1721, 2040, 2720, 3264, 3442, 4080, 5163, 5440, 6884, 8160, 8605, 10326, 13768, 16320, 17210, 20652, 25815, 27536, 29257, 34420, 41304, 51630, 55072, 58514, 68840, 82608, 87771, 103260, 110144, 117028, 137680, 146285, 165216, 175542, 206520, 234056, 275360, 292570, 330432, 351084, 413040, 438855, 468112, 550720, 585140, 702168, 826080, 877710, 936224, 1170280, 1404336, 1652160, 1755420, 1872448, 2340560, 2808672, 3510840, 4681120, 5617344, 7021680, 9362240, 14043360, 28086720]

約数ペア:

[(1, 28086720), (2, 14043360), (3, 9362240), (4, 7021680), (5, 5617344), (6, 4681120), (8, 3510840), (10, 2808672), (12, 2340560), (15, 1872448), (16, 1755420), (17, 1652160), (20, 1404336), (24, 1170280), (30, 936224), (32, 877710), (34, 826080), (40, 702168), (48, 585140), (51, 550720), (60, 468112), (64, 438855), (68, 413040), (80, 351084), (85, 330432), (96, 292570), (102, 275360), (120, 234056), (136, 206520), (160, 175542), (170, 165216), (192, 146285), (204, 137680), (240, 117028), (255, 110144), (272, 103260), (320, 87771), (340, 82608), (408, 68840), (480, 58514), (510, 55072), (544, 51630), (680, 41304), (816, 34420), (960, 29257), (1020, 27536), (1088, 25815), (1360, 20652), (1632, 17210), (1721, 16320), (2040, 13768), (2720, 10326), (3264, 8605), (3442, 8160), (4080, 6884), (5163, 5440)]