28151550

素因数分解:

$2^1\times 3^5\times 5^2\times 7^1\times {\mathrm{331}}^1$

素因数の和:365

約数の個数: 144

約数和(自身を含む): 89910912

約数和(自身を除く): 61759362

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 225, 243, 270, 315, 331, 350, 378, 405, 450, 486, 525, 567, 630, 662, 675, 810, 945, 993, 1050, 1134, 1215, 1350, 1575, 1655, 1701, 1890, 1986, 2025, 2317, 2430, 2835, 2979, 3150, 3310, 3402, 4050, 4634, 4725, 4965, 5670, 5958, 6075, 6951, 8275, 8505, 8937, 9450, 9930, 11585, 12150, 13902, 14175, 14895, 16550, 17010, 17874, 20853, 23170, 24825, 26811, 28350, 29790, 34755, 41706, 42525, 44685, 49650, 53622, 57925, 62559, 69510, 74475, 80433, 85050, 89370, 104265, 115850, 125118, 134055, 148950, 160866, 173775, 187677, 208530, 223425, 268110, 312795, 347550, 375354, 402165, 446850, 521325, 563031, 625590, 670275, 804330, 938385, 1042650, 1126062, 1340550, 1563975, 1876770, 2010825, 2815155, 3127950, 4021650, 4691925, 5630310, 9383850, 14075775, 28151550]

約数ペア:

[(1, 28151550), (2, 14075775), (3, 9383850), (5, 5630310), (6, 4691925), (7, 4021650), (9, 3127950), (10, 2815155), (14, 2010825), (15, 1876770), (18, 1563975), (21, 1340550), (25, 1126062), (27, 1042650), (30, 938385), (35, 804330), (42, 670275), (45, 625590), (50, 563031), (54, 521325), (63, 446850), (70, 402165), (75, 375354), (81, 347550), (90, 312795), (105, 268110), (126, 223425), (135, 208530), (150, 187677), (162, 173775), (175, 160866), (189, 148950), (210, 134055), (225, 125118), (243, 115850), (270, 104265), (315, 89370), (331, 85050), (350, 80433), (378, 74475), (405, 69510), (450, 62559), (486, 57925), (525, 53622), (567, 49650), (630, 44685), (662, 42525), (675, 41706), (810, 34755), (945, 29790), (993, 28350), (1050, 26811), (1134, 24825), (1215, 23170), (1350, 20853), (1575, 17874), (1655, 17010), (1701, 16550), (1890, 14895), (1986, 14175), (2025, 13902), (2317, 12150), (2430, 11585), (2835, 9930), (2979, 9450), (3150, 8937), (3310, 8505), (3402, 8275), (4050, 6951), (4634, 6075), (4725, 5958), (4965, 5670)]