81773550

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 120

約数和(自身を含む): 231631752

約数和(自身を除く): 149858202

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 61, 75, 81, 90, 122, 135, 150, 162, 183, 225, 270, 305, 331, 366, 405, 450, 549, 610, 662, 675, 810, 915, 993, 1098, 1350, 1525, 1647, 1655, 1830, 1986, 2025, 2745, 2979, 3050, 3294, 3310, 4050, 4575, 4941, 4965, 5490, 5958, 8235, 8275, 8937, 9150, 9882, 9930, 13725, 14895, 16470, 16550, 17874, 20191, 24705, 24825, 26811, 27450, 29790, 40382, 41175, 44685, 49410, 49650, 53622, 60573, 74475, 82350, 89370, 100955, 121146, 123525, 134055, 148950, 181719, 201910, 223425, 247050, 268110, 302865, 363438, 446850, 504775, 545157, 605730, 670275, 908595, 1009550, 1090314, 1340550, 1514325, 1635471, 1817190, 2725785, 3028650, 3270942, 4542975, 5451570, 8177355, 9085950, 13628925, 16354710, 27257850, 40886775, 81773550]

約数ペア:

[(1, 81773550), (2, 40886775), (3, 27257850), (5, 16354710), (6, 13628925), (9, 9085950), (10, 8177355), (15, 5451570), (18, 4542975), (25, 3270942), (27, 3028650), (30, 2725785), (45, 1817190), (50, 1635471), (54, 1514325), (61, 1340550), (75, 1090314), (81, 1009550), (90, 908595), (122, 670275), (135, 605730), (150, 545157), (162, 504775), (183, 446850), (225, 363438), (270, 302865), (305, 268110), (331, 247050), (366, 223425), (405, 201910), (450, 181719), (549, 148950), (610, 134055), (662, 123525), (675, 121146), (810, 100955), (915, 89370), (993, 82350), (1098, 74475), (1350, 60573), (1525, 53622), (1647, 49650), (1655, 49410), (1830, 44685), (1986, 41175), (2025, 40382), (2745, 29790), (2979, 27450), (3050, 26811), (3294, 24825), (3310, 24705), (4050, 20191), (4575, 17874), (4941, 16550), (4965, 16470), (5490, 14895), (5958, 13725), (8235, 9930), (8275, 9882), (8937, 9150)]