812520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 2756520

約数和(自身を除く): 1944000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 61, 72, 74, 90, 111, 120, 122, 148, 180, 183, 185, 222, 244, 296, 305, 333, 360, 366, 370, 444, 488, 549, 555, 610, 666, 732, 740, 888, 915, 1098, 1110, 1220, 1332, 1464, 1480, 1665, 1830, 2196, 2220, 2257, 2440, 2664, 2745, 3330, 3660, 4392, 4440, 4514, 5490, 6660, 6771, 7320, 9028, 10980, 11285, 13320, 13542, 18056, 20313, 21960, 22570, 27084, 33855, 40626, 45140, 54168, 67710, 81252, 90280, 101565, 135420, 162504, 203130, 270840, 406260, 812520]

約数ペア:

[(1, 812520), (2, 406260), (3, 270840), (4, 203130), (5, 162504), (6, 135420), (8, 101565), (9, 90280), (10, 81252), (12, 67710), (15, 54168), (18, 45140), (20, 40626), (24, 33855), (30, 27084), (36, 22570), (37, 21960), (40, 20313), (45, 18056), (60, 13542), (61, 13320), (72, 11285), (74, 10980), (90, 9028), (111, 7320), (120, 6771), (122, 6660), (148, 5490), (180, 4514), (183, 4440), (185, 4392), (222, 3660), (244, 3330), (296, 2745), (305, 2664), (333, 2440), (360, 2257), (366, 2220), (370, 2196), (444, 1830), (488, 1665), (549, 1480), (555, 1464), (610, 1332), (666, 1220), (732, 1110), (740, 1098), (888, 915)]