31173240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 256

約数和(自身を含む): 118195200

約数和(自身を除く): 87021960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 37, 40, 42, 51, 56, 59, 60, 68, 70, 74, 84, 85, 102, 105, 111, 118, 119, 120, 136, 140, 148, 168, 170, 177, 185, 204, 210, 222, 236, 238, 255, 259, 280, 295, 296, 340, 354, 357, 370, 408, 413, 420, 444, 472, 476, 510, 518, 555, 590, 595, 629, 680, 708, 714, 740, 777, 826, 840, 885, 888, 952, 1003, 1020, 1036, 1110, 1180, 1190, 1239, 1258, 1295, 1416, 1428, 1480, 1554, 1652, 1770, 1785, 1887, 2006, 2040, 2065, 2072, 2183, 2220, 2360, 2380, 2478, 2516, 2590, 2856, 3009, 3108, 3145, 3304, 3540, 3570, 3774, 3885, 4012, 4130, 4366, 4403, 4440, 4760, 4956, 5015, 5032, 5180, 6018, 6195, 6216, 6290, 6549, 7021, 7080, 7140, 7548, 7770, 8024, 8260, 8732, 8806, 9435, 9912, 10030, 10360, 10915, 12036, 12390, 12580, 13098, 13209, 14042, 14280, 15045, 15096, 15281, 15540, 16520, 17464, 17612, 18870, 20060, 21063, 21830, 22015, 24072, 24780, 25160, 26196, 26418, 28084, 30090, 30562, 31080, 32745, 35105, 35224, 37111, 37740, 40120, 42126, 43660, 44030, 45843, 49560, 52392, 52836, 56168, 60180, 61124, 65490, 66045, 70210, 74222, 75480, 76405, 84252, 87320, 88060, 91686, 105315, 105672, 111333, 120360, 122248, 130980, 132090, 140420, 148444, 152810, 168504, 176120, 183372, 185555, 210630, 222666, 229215, 259777, 261960, 264180, 280840, 296888, 305620, 366744, 371110, 421260, 445332, 458430, 519554, 528360, 556665, 611240, 742220, 779331, 842520, 890664, 916860, 1039108, 1113330, 1298885, 1484440, 1558662, 1833720, 2078216, 2226660, 2597770, 3117324, 3896655, 4453320, 5195540, 6234648, 7793310, 10391080, 15586620, 31173240]

約数ペア:

[(1, 31173240), (2, 15586620), (3, 10391080), (4, 7793310), (5, 6234648), (6, 5195540), (7, 4453320), (8, 3896655), (10, 3117324), (12, 2597770), (14, 2226660), (15, 2078216), (17, 1833720), (20, 1558662), (21, 1484440), (24, 1298885), (28, 1113330), (30, 1039108), (34, 916860), (35, 890664), (37, 842520), (40, 779331), (42, 742220), (51, 611240), (56, 556665), (59, 528360), (60, 519554), (68, 458430), (70, 445332), (74, 421260), (84, 371110), (85, 366744), (102, 305620), (105, 296888), (111, 280840), (118, 264180), (119, 261960), (120, 259777), (136, 229215), (140, 222666), (148, 210630), (168, 185555), (170, 183372), (177, 176120), (185, 168504), (204, 152810), (210, 148444), (222, 140420), (236, 132090), (238, 130980), (255, 122248), (259, 120360), (280, 111333), (295, 105672), (296, 105315), (340, 91686), (354, 88060), (357, 87320), (370, 84252), (408, 76405), (413, 75480), (420, 74222), (444, 70210), (472, 66045), (476, 65490), (510, 61124), (518, 60180), (555, 56168), (590, 52836), (595, 52392), (629, 49560), (680, 45843), (708, 44030), (714, 43660), (740, 42126), (777, 40120), (826, 37740), (840, 37111), (885, 35224), (888, 35105), (952, 32745), (1003, 31080), (1020, 30562), (1036, 30090), (1110, 28084), (1180, 26418), (1190, 26196), (1239, 25160), (1258, 24780), (1295, 24072), (1416, 22015), (1428, 21830), (1480, 21063), (1554, 20060), (1652, 18870), (1770, 17612), (1785, 17464), (1887, 16520), (2006, 15540), (2040, 15281), (2065, 15096), (2072, 15045), (2183, 14280), (2220, 14042), (2360, 13209), (2380, 13098), (2478, 12580), (2516, 12390), (2590, 12036), (2856, 10915), (3009, 10360), (3108, 10030), (3145, 9912), (3304, 9435), (3540, 8806), (3570, 8732), (3774, 8260), (3885, 8024), (4012, 7770), (4130, 7548), (4366, 7140), (4403, 7080), (4440, 7021), (4760, 6549), (4956, 6290), (5015, 6216), (5032, 6195), (5180, 6018)]