31470840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 192

約数和(自身を含む): 111196800

約数和(自身を除く): 79725960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 43, 45, 57, 60, 72, 76, 86, 90, 95, 107, 114, 120, 129, 152, 171, 172, 180, 190, 214, 215, 228, 258, 285, 321, 342, 344, 360, 380, 387, 428, 430, 456, 516, 535, 570, 642, 645, 684, 760, 774, 817, 855, 856, 860, 963, 1032, 1070, 1140, 1284, 1290, 1368, 1548, 1605, 1634, 1710, 1720, 1926, 1935, 2033, 2140, 2280, 2451, 2568, 2580, 3096, 3210, 3268, 3420, 3852, 3870, 4066, 4085, 4280, 4601, 4815, 4902, 5160, 6099, 6420, 6536, 6840, 7353, 7704, 7740, 8132, 8170, 9202, 9630, 9804, 10165, 12198, 12255, 12840, 13803, 14706, 15480, 16264, 16340, 18297, 18404, 19260, 19608, 20330, 23005, 24396, 24510, 27606, 29412, 30495, 32680, 36594, 36765, 36808, 38520, 40660, 41409, 46010, 48792, 49020, 55212, 58824, 60990, 69015, 73188, 73530, 81320, 82818, 87419, 91485, 92020, 98040, 110424, 121980, 138030, 146376, 147060, 165636, 174838, 182970, 184040, 207045, 243960, 262257, 276060, 294120, 331272, 349676, 365940, 414090, 437095, 524514, 552120, 699352, 731880, 786771, 828180, 874190, 1049028, 1311285, 1573542, 1656360, 1748380, 2098056, 2622570, 3147084, 3496760, 3933855, 5245140, 6294168, 7867710, 10490280, 15735420, 31470840]

約数ペア:

[(1, 31470840), (2, 15735420), (3, 10490280), (4, 7867710), (5, 6294168), (6, 5245140), (8, 3933855), (9, 3496760), (10, 3147084), (12, 2622570), (15, 2098056), (18, 1748380), (19, 1656360), (20, 1573542), (24, 1311285), (30, 1049028), (36, 874190), (38, 828180), (40, 786771), (43, 731880), (45, 699352), (57, 552120), (60, 524514), (72, 437095), (76, 414090), (86, 365940), (90, 349676), (95, 331272), (107, 294120), (114, 276060), (120, 262257), (129, 243960), (152, 207045), (171, 184040), (172, 182970), (180, 174838), (190, 165636), (214, 147060), (215, 146376), (228, 138030), (258, 121980), (285, 110424), (321, 98040), (342, 92020), (344, 91485), (360, 87419), (380, 82818), (387, 81320), (428, 73530), (430, 73188), (456, 69015), (516, 60990), (535, 58824), (570, 55212), (642, 49020), (645, 48792), (684, 46010), (760, 41409), (774, 40660), (817, 38520), (855, 36808), (856, 36765), (860, 36594), (963, 32680), (1032, 30495), (1070, 29412), (1140, 27606), (1284, 24510), (1290, 24396), (1368, 23005), (1548, 20330), (1605, 19608), (1634, 19260), (1710, 18404), (1720, 18297), (1926, 16340), (1935, 16264), (2033, 15480), (2140, 14706), (2280, 13803), (2451, 12840), (2568, 12255), (2580, 12198), (3096, 10165), (3210, 9804), (3268, 9630), (3420, 9202), (3852, 8170), (3870, 8132), (4066, 7740), (4085, 7704), (4280, 7353), (4601, 6840), (4815, 6536), (4902, 6420), (5160, 6099)]