81815520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8971}}^1$

素因数の和:9008

約数の個数: 96

約数和(自身を含む): 271313280

約数和(自身を除く): 189497760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 3040, 4560, 8971, 9120, 17942, 26913, 35884, 44855, 53826, 71768, 89710, 107652, 134565, 143536, 170449, 179420, 215304, 269130, 287072, 340898, 358840, 430608, 511347, 538260, 681796, 717680, 852245, 861216, 1022694, 1076520, 1363592, 1435360, 1704490, 2045388, 2153040, 2556735, 2727184, 3408980, 4090776, 4306080, 5113470, 5454368, 6817960, 8181552, 10226940, 13635920, 16363104, 20453880, 27271840, 40907760, 81815520]

約数ペア:

[(1, 81815520), (2, 40907760), (3, 27271840), (4, 20453880), (5, 16363104), (6, 13635920), (8, 10226940), (10, 8181552), (12, 6817960), (15, 5454368), (16, 5113470), (19, 4306080), (20, 4090776), (24, 3408980), (30, 2727184), (32, 2556735), (38, 2153040), (40, 2045388), (48, 1704490), (57, 1435360), (60, 1363592), (76, 1076520), (80, 1022694), (95, 861216), (96, 852245), (114, 717680), (120, 681796), (152, 538260), (160, 511347), (190, 430608), (228, 358840), (240, 340898), (285, 287072), (304, 269130), (380, 215304), (456, 179420), (480, 170449), (570, 143536), (608, 134565), (760, 107652), (912, 89710), (1140, 71768), (1520, 53826), (1824, 44855), (2280, 35884), (3040, 26913), (4560, 17942), (8971, 9120)]