81436950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 144

約数和(自身を含む): 253483776

約数和(自身を除く): 172046826

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 103, 105, 126, 150, 175, 206, 210, 225, 251, 309, 315, 350, 450, 502, 515, 525, 618, 630, 721, 753, 927, 1030, 1050, 1255, 1442, 1506, 1545, 1575, 1757, 1854, 2163, 2259, 2510, 2575, 3090, 3150, 3514, 3605, 3765, 4326, 4518, 4635, 5150, 5271, 6275, 6489, 7210, 7530, 7725, 8785, 9270, 10542, 10815, 11295, 12550, 12978, 15450, 15813, 17570, 18025, 18825, 21630, 22590, 23175, 25853, 26355, 31626, 32445, 36050, 37650, 43925, 46350, 51706, 52710, 54075, 56475, 64890, 77559, 79065, 87850, 108150, 112950, 129265, 131775, 155118, 158130, 162225, 180971, 232677, 258530, 263550, 324450, 361942, 387795, 395325, 465354, 542913, 646325, 775590, 790650, 904855, 1085826, 1163385, 1292650, 1628739, 1809710, 1938975, 2326770, 2714565, 3257478, 3877950, 4524275, 5429130, 5816925, 8143695, 9048550, 11633850, 13572825, 16287390, 27145650, 40718475, 81436950]

約数ペア:

[(1, 81436950), (2, 40718475), (3, 27145650), (5, 16287390), (6, 13572825), (7, 11633850), (9, 9048550), (10, 8143695), (14, 5816925), (15, 5429130), (18, 4524275), (21, 3877950), (25, 3257478), (30, 2714565), (35, 2326770), (42, 1938975), (45, 1809710), (50, 1628739), (63, 1292650), (70, 1163385), (75, 1085826), (90, 904855), (103, 790650), (105, 775590), (126, 646325), (150, 542913), (175, 465354), (206, 395325), (210, 387795), (225, 361942), (251, 324450), (309, 263550), (315, 258530), (350, 232677), (450, 180971), (502, 162225), (515, 158130), (525, 155118), (618, 131775), (630, 129265), (721, 112950), (753, 108150), (927, 87850), (1030, 79065), (1050, 77559), (1255, 64890), (1442, 56475), (1506, 54075), (1545, 52710), (1575, 51706), (1757, 46350), (1854, 43925), (2163, 37650), (2259, 36050), (2510, 32445), (2575, 31626), (3090, 26355), (3150, 25853), (3514, 23175), (3605, 22590), (3765, 21630), (4326, 18825), (4518, 18025), (4635, 17570), (5150, 15813), (5271, 15450), (6275, 12978), (6489, 12550), (7210, 11295), (7530, 10815), (7725, 10542), (8785, 9270)]