321936960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{757}}^1$

素因数の和:1220

約数の個数: 112

約数和(自身を含む): 1025810496

約数和(自身を除く): 703873536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 443, 480, 757, 886, 960, 1329, 1514, 1772, 2215, 2271, 2658, 3028, 3544, 3785, 4430, 4542, 5316, 6056, 6645, 7088, 7570, 8860, 9084, 10632, 11355, 12112, 13290, 14176, 15140, 17720, 18168, 21264, 22710, 24224, 26580, 28352, 30280, 35440, 36336, 42528, 45420, 48448, 53160, 60560, 70880, 72672, 85056, 90840, 106320, 121120, 141760, 145344, 181680, 212640, 242240, 335351, 363360, 425280, 670702, 726720, 1006053, 1341404, 1676755, 2012106, 2682808, 3353510, 4024212, 5030265, 5365616, 6707020, 8048424, 10060530, 10731232, 13414040, 16096848, 20121060, 21462464, 26828080, 32193696, 40242120, 53656160, 64387392, 80484240, 107312320, 160968480, 321936960]

約数ペア:

[(1, 321936960), (2, 160968480), (3, 107312320), (4, 80484240), (5, 64387392), (6, 53656160), (8, 40242120), (10, 32193696), (12, 26828080), (15, 21462464), (16, 20121060), (20, 16096848), (24, 13414040), (30, 10731232), (32, 10060530), (40, 8048424), (48, 6707020), (60, 5365616), (64, 5030265), (80, 4024212), (96, 3353510), (120, 2682808), (160, 2012106), (192, 1676755), (240, 1341404), (320, 1006053), (443, 726720), (480, 670702), (757, 425280), (886, 363360), (960, 335351), (1329, 242240), (1514, 212640), (1772, 181680), (2215, 145344), (2271, 141760), (2658, 121120), (3028, 106320), (3544, 90840), (3785, 85056), (4430, 72672), (4542, 70880), (5316, 60560), (6056, 53160), (6645, 48448), (7088, 45420), (7570, 42528), (8860, 36336), (9084, 35440), (10632, 30280), (11355, 28352), (12112, 26580), (13290, 24224), (14176, 22710), (15140, 21264), (17720, 18168)]