225720720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 180

約数和(自身を含む): 782488980

約数和(自身を除く): 556768260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 229, 240, 296, 333, 360, 370, 444, 458, 555, 592, 666, 687, 720, 740, 888, 916, 1110, 1145, 1332, 1369, 1374, 1480, 1665, 1776, 1832, 2061, 2220, 2290, 2664, 2738, 2748, 2960, 3330, 3435, 3664, 4107, 4122, 4440, 4580, 5328, 5476, 5496, 6660, 6845, 6870, 8214, 8244, 8473, 8880, 9160, 10305, 10952, 10992, 12321, 13320, 13690, 13740, 16428, 16488, 16946, 18320, 20535, 20610, 21904, 24642, 25419, 26640, 27380, 27480, 32856, 32976, 33892, 41070, 41220, 42365, 49284, 50838, 54760, 54960, 61605, 65712, 67784, 76257, 82140, 82440, 84730, 98568, 101676, 109520, 123210, 127095, 135568, 152514, 164280, 164880, 169460, 197136, 203352, 246420, 254190, 305028, 313501, 328560, 338920, 381285, 406704, 492840, 508380, 610056, 627002, 677840, 762570, 940503, 985680, 1016760, 1220112, 1254004, 1525140, 1567505, 1881006, 2033520, 2508008, 2821509, 3050280, 3135010, 3762012, 4702515, 5016016, 5643018, 6100560, 6270020, 7524024, 9405030, 11286036, 12540040, 14107545, 15048048, 18810060, 22572072, 25080080, 28215090, 37620120, 45144144, 56430180, 75240240, 112860360, 225720720]

約数ペア:

[(1, 225720720), (2, 112860360), (3, 75240240), (4, 56430180), (5, 45144144), (6, 37620120), (8, 28215090), (9, 25080080), (10, 22572072), (12, 18810060), (15, 15048048), (16, 14107545), (18, 12540040), (20, 11286036), (24, 9405030), (30, 7524024), (36, 6270020), (37, 6100560), (40, 5643018), (45, 5016016), (48, 4702515), (60, 3762012), (72, 3135010), (74, 3050280), (80, 2821509), (90, 2508008), (111, 2033520), (120, 1881006), (144, 1567505), (148, 1525140), (180, 1254004), (185, 1220112), (222, 1016760), (229, 985680), (240, 940503), (296, 762570), (333, 677840), (360, 627002), (370, 610056), (444, 508380), (458, 492840), (555, 406704), (592, 381285), (666, 338920), (687, 328560), (720, 313501), (740, 305028), (888, 254190), (916, 246420), (1110, 203352), (1145, 197136), (1332, 169460), (1369, 164880), (1374, 164280), (1480, 152514), (1665, 135568), (1776, 127095), (1832, 123210), (2061, 109520), (2220, 101676), (2290, 98568), (2664, 84730), (2738, 82440), (2748, 82140), (2960, 76257), (3330, 67784), (3435, 65712), (3664, 61605), (4107, 54960), (4122, 54760), (4440, 50838), (4580, 49284), (5328, 42365), (5476, 41220), (5496, 41070), (6660, 33892), (6845, 32976), (6870, 32856), (8214, 27480), (8244, 27380), (8473, 26640), (8880, 25419), (9160, 24642), (10305, 21904), (10952, 20610), (10992, 20535), (12321, 18320), (13320, 16946), (13690, 16488), (13740, 16428)]