40204575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 79735968

約数和(自身を除く): 39531393

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 207, 225, 255, 345, 391, 425, 457, 575, 765, 1035, 1173, 1275, 1371, 1725, 1955, 2285, 3519, 3825, 4113, 5175, 5865, 6855, 7769, 9775, 10511, 11425, 17595, 20565, 23307, 29325, 31533, 34275, 38845, 52555, 69921, 87975, 94599, 102825, 116535, 157665, 178687, 194225, 262775, 349605, 472995, 536061, 582675, 788325, 893435, 1608183, 1748025, 2364975, 2680305, 4467175, 8040915, 13401525, 40204575]

約数ペア:

[(1, 40204575), (3, 13401525), (5, 8040915), (9, 4467175), (15, 2680305), (17, 2364975), (23, 1748025), (25, 1608183), (45, 893435), (51, 788325), (69, 582675), (75, 536061), (85, 472995), (115, 349605), (153, 262775), (207, 194225), (225, 178687), (255, 157665), (345, 116535), (391, 102825), (425, 94599), (457, 87975), (575, 69921), (765, 52555), (1035, 38845), (1173, 34275), (1275, 31533), (1371, 29325), (1725, 23307), (1955, 20565), (2285, 17595), (3519, 11425), (3825, 10511), (4113, 9775), (5175, 7769), (5865, 6855)]