18252720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 120

約数和(自身を含む): 62152272

約数和(自身を除く): 43899552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 101, 120, 144, 180, 202, 240, 251, 303, 360, 404, 502, 505, 606, 720, 753, 808, 909, 1004, 1010, 1212, 1255, 1506, 1515, 1616, 1818, 2008, 2020, 2259, 2424, 2510, 3012, 3030, 3636, 3765, 4016, 4040, 4518, 4545, 4848, 5020, 6024, 6060, 7272, 7530, 8080, 9036, 9090, 10040, 11295, 12048, 12120, 14544, 15060, 18072, 18180, 20080, 22590, 24240, 25351, 30120, 36144, 36360, 45180, 50702, 60240, 72720, 76053, 90360, 101404, 126755, 152106, 180720, 202808, 228159, 253510, 304212, 380265, 405616, 456318, 507020, 608424, 760530, 912636, 1014040, 1140795, 1216848, 1521060, 1825272, 2028080, 2281590, 3042120, 3650544, 4563180, 6084240, 9126360, 18252720]

約数ペア:

[(1, 18252720), (2, 9126360), (3, 6084240), (4, 4563180), (5, 3650544), (6, 3042120), (8, 2281590), (9, 2028080), (10, 1825272), (12, 1521060), (15, 1216848), (16, 1140795), (18, 1014040), (20, 912636), (24, 760530), (30, 608424), (36, 507020), (40, 456318), (45, 405616), (48, 380265), (60, 304212), (72, 253510), (80, 228159), (90, 202808), (101, 180720), (120, 152106), (144, 126755), (180, 101404), (202, 90360), (240, 76053), (251, 72720), (303, 60240), (360, 50702), (404, 45180), (502, 36360), (505, 36144), (606, 30120), (720, 25351), (753, 24240), (808, 22590), (909, 20080), (1004, 18180), (1010, 18072), (1212, 15060), (1255, 14544), (1506, 12120), (1515, 12048), (1616, 11295), (1818, 10040), (2008, 9090), (2020, 9036), (2259, 8080), (2424, 7530), (2510, 7272), (3012, 6060), (3030, 6024), (3636, 5020), (3765, 4848), (4016, 4545), (4040, 4518)]