31106250

素因数分解:

$2^1\times 3^2\times 5^5\times 7^1\times {\mathrm{79}}^1$

素因数の和:119

約数の個数: 144

約数和(自身を含む): 97493760

約数和(自身を除く): 66387510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 79, 90, 105, 125, 126, 150, 158, 175, 210, 225, 237, 250, 315, 350, 375, 395, 450, 474, 525, 553, 625, 630, 711, 750, 790, 875, 1050, 1106, 1125, 1185, 1250, 1422, 1575, 1659, 1750, 1875, 1975, 2250, 2370, 2625, 2765, 3125, 3150, 3318, 3555, 3750, 3950, 4375, 4977, 5250, 5530, 5625, 5925, 6250, 7110, 7875, 8295, 8750, 9375, 9875, 9954, 11250, 11850, 13125, 13825, 15750, 16590, 17775, 18750, 19750, 21875, 24885, 26250, 27650, 28125, 29625, 35550, 39375, 41475, 43750, 49375, 49770, 56250, 59250, 65625, 69125, 78750, 82950, 88875, 98750, 124425, 131250, 138250, 148125, 177750, 196875, 207375, 246875, 248850, 296250, 345625, 393750, 414750, 444375, 493750, 622125, 691250, 740625, 888750, 1036875, 1244250, 1481250, 1728125, 2073750, 2221875, 3110625, 3456250, 4443750, 5184375, 6221250, 10368750, 15553125, 31106250]

約数ペア:

[(1, 31106250), (2, 15553125), (3, 10368750), (5, 6221250), (6, 5184375), (7, 4443750), (9, 3456250), (10, 3110625), (14, 2221875), (15, 2073750), (18, 1728125), (21, 1481250), (25, 1244250), (30, 1036875), (35, 888750), (42, 740625), (45, 691250), (50, 622125), (63, 493750), (70, 444375), (75, 414750), (79, 393750), (90, 345625), (105, 296250), (125, 248850), (126, 246875), (150, 207375), (158, 196875), (175, 177750), (210, 148125), (225, 138250), (237, 131250), (250, 124425), (315, 98750), (350, 88875), (375, 82950), (395, 78750), (450, 69125), (474, 65625), (525, 59250), (553, 56250), (625, 49770), (630, 49375), (711, 43750), (750, 41475), (790, 39375), (875, 35550), (1050, 29625), (1106, 28125), (1125, 27650), (1185, 26250), (1250, 24885), (1422, 21875), (1575, 19750), (1659, 18750), (1750, 17775), (1875, 16590), (1975, 15750), (2250, 13825), (2370, 13125), (2625, 11850), (2765, 11250), (3125, 9954), (3150, 9875), (3318, 9375), (3555, 8750), (3750, 8295), (3950, 7875), (4375, 7110), (4977, 6250), (5250, 5925), (5530, 5625)]