128521350

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 192

約数和(自身を含む): 379975680

約数和(自身を除く): 251454330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 37, 45, 50, 54, 62, 74, 75, 83, 90, 93, 111, 135, 150, 155, 166, 185, 186, 222, 225, 249, 270, 279, 310, 333, 370, 415, 450, 465, 498, 555, 558, 666, 675, 747, 775, 830, 837, 925, 930, 999, 1110, 1147, 1245, 1350, 1395, 1494, 1550, 1665, 1674, 1850, 1998, 2075, 2241, 2294, 2325, 2490, 2573, 2775, 2790, 3071, 3330, 3441, 3735, 4150, 4185, 4482, 4650, 4995, 5146, 5550, 5735, 6142, 6225, 6882, 6975, 7470, 7719, 8325, 8370, 9213, 9990, 10323, 11205, 11470, 12450, 12865, 13950, 15355, 15438, 16650, 17205, 18426, 18675, 20646, 20925, 22410, 23157, 24975, 25730, 27639, 28675, 30710, 30969, 34410, 37350, 38595, 41850, 46065, 46314, 49950, 51615, 55278, 56025, 57350, 61938, 64325, 69471, 76775, 77190, 82917, 86025, 92130, 95201, 103230, 112050, 115785, 128650, 138195, 138942, 153550, 154845, 165834, 172050, 190402, 192975, 230325, 231570, 258075, 276390, 285603, 309690, 347355, 385950, 414585, 460650, 476005, 516150, 571206, 578925, 690975, 694710, 774225, 829170, 856809, 952010, 1157850, 1381950, 1428015, 1548450, 1713618, 1736775, 2072925, 2380025, 2570427, 2856030, 3473550, 4145850, 4284045, 4760050, 5140854, 7140075, 8568090, 12852135, 14280150, 21420225, 25704270, 42840450, 64260675, 128521350]

約数ペア:

[(1, 128521350), (2, 64260675), (3, 42840450), (5, 25704270), (6, 21420225), (9, 14280150), (10, 12852135), (15, 8568090), (18, 7140075), (25, 5140854), (27, 4760050), (30, 4284045), (31, 4145850), (37, 3473550), (45, 2856030), (50, 2570427), (54, 2380025), (62, 2072925), (74, 1736775), (75, 1713618), (83, 1548450), (90, 1428015), (93, 1381950), (111, 1157850), (135, 952010), (150, 856809), (155, 829170), (166, 774225), (185, 694710), (186, 690975), (222, 578925), (225, 571206), (249, 516150), (270, 476005), (279, 460650), (310, 414585), (333, 385950), (370, 347355), (415, 309690), (450, 285603), (465, 276390), (498, 258075), (555, 231570), (558, 230325), (666, 192975), (675, 190402), (747, 172050), (775, 165834), (830, 154845), (837, 153550), (925, 138942), (930, 138195), (999, 128650), (1110, 115785), (1147, 112050), (1245, 103230), (1350, 95201), (1395, 92130), (1494, 86025), (1550, 82917), (1665, 77190), (1674, 76775), (1850, 69471), (1998, 64325), (2075, 61938), (2241, 57350), (2294, 56025), (2325, 55278), (2490, 51615), (2573, 49950), (2775, 46314), (2790, 46065), (3071, 41850), (3330, 38595), (3441, 37350), (3735, 34410), (4150, 30969), (4185, 30710), (4482, 28675), (4650, 27639), (4995, 25730), (5146, 24975), (5550, 23157), (5735, 22410), (6142, 20925), (6225, 20646), (6882, 18675), (6975, 18426), (7470, 17205), (7719, 16650), (8325, 15438), (8370, 15355), (9213, 13950), (9990, 12865), (10323, 12450), (11205, 11470)]