18349920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{12743}}^1$

素因数の和:12764

約数の個数: 72

約数和(自身を含む): 62624016

約数和(自身を除く): 44274096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 12743, 25486, 38229, 50972, 63715, 76458, 101944, 114687, 127430, 152916, 191145, 203888, 229374, 254860, 305832, 382290, 407776, 458748, 509720, 573435, 611664, 764580, 917496, 1019440, 1146870, 1223328, 1529160, 1834992, 2038880, 2293740, 3058320, 3669984, 4587480, 6116640, 9174960, 18349920]

約数ペア:

[(1, 18349920), (2, 9174960), (3, 6116640), (4, 4587480), (5, 3669984), (6, 3058320), (8, 2293740), (9, 2038880), (10, 1834992), (12, 1529160), (15, 1223328), (16, 1146870), (18, 1019440), (20, 917496), (24, 764580), (30, 611664), (32, 573435), (36, 509720), (40, 458748), (45, 407776), (48, 382290), (60, 305832), (72, 254860), (80, 229374), (90, 203888), (96, 191145), (120, 152916), (144, 127430), (160, 114687), (180, 101944), (240, 76458), (288, 63715), (360, 50972), (480, 38229), (720, 25486), (1440, 12743)]