196164720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:680

約数の個数: 160

約数和(自身を含む): 680581440

約数和(自身を除く): 484416720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 197, 216, 240, 270, 360, 394, 432, 461, 540, 591, 720, 788, 922, 985, 1080, 1182, 1383, 1576, 1773, 1844, 1970, 2160, 2305, 2364, 2766, 2955, 3152, 3546, 3688, 3940, 4149, 4610, 4728, 5319, 5532, 5910, 6915, 7092, 7376, 7880, 8298, 8865, 9220, 9456, 10638, 11064, 11820, 12447, 13830, 14184, 15760, 16596, 17730, 18440, 20745, 21276, 22128, 23640, 24894, 26595, 27660, 28368, 33192, 35460, 36880, 41490, 42552, 47280, 49788, 53190, 55320, 62235, 66384, 70920, 82980, 85104, 90817, 99576, 106380, 110640, 124470, 141840, 165960, 181634, 199152, 212760, 248940, 272451, 331920, 363268, 425520, 454085, 497880, 544902, 726536, 817353, 908170, 995760, 1089804, 1362255, 1453072, 1634706, 1816340, 2179608, 2452059, 2724510, 3269412, 3632680, 4086765, 4359216, 4904118, 5449020, 6538824, 7265360, 8173530, 9808236, 10898040, 12260295, 13077648, 16347060, 19616472, 21796080, 24520590, 32694120, 39232944, 49041180, 65388240, 98082360, 196164720]

約数ペア:

[(1, 196164720), (2, 98082360), (3, 65388240), (4, 49041180), (5, 39232944), (6, 32694120), (8, 24520590), (9, 21796080), (10, 19616472), (12, 16347060), (15, 13077648), (16, 12260295), (18, 10898040), (20, 9808236), (24, 8173530), (27, 7265360), (30, 6538824), (36, 5449020), (40, 4904118), (45, 4359216), (48, 4086765), (54, 3632680), (60, 3269412), (72, 2724510), (80, 2452059), (90, 2179608), (108, 1816340), (120, 1634706), (135, 1453072), (144, 1362255), (180, 1089804), (197, 995760), (216, 908170), (240, 817353), (270, 726536), (360, 544902), (394, 497880), (432, 454085), (461, 425520), (540, 363268), (591, 331920), (720, 272451), (788, 248940), (922, 212760), (985, 199152), (1080, 181634), (1182, 165960), (1383, 141840), (1576, 124470), (1773, 110640), (1844, 106380), (1970, 99576), (2160, 90817), (2305, 85104), (2364, 82980), (2766, 70920), (2955, 66384), (3152, 62235), (3546, 55320), (3688, 53190), (3940, 49788), (4149, 47280), (4610, 42552), (4728, 41490), (5319, 36880), (5532, 35460), (5910, 33192), (6915, 28368), (7092, 27660), (7376, 26595), (7880, 24894), (8298, 23640), (8865, 22128), (9220, 21276), (9456, 20745), (10638, 18440), (11064, 17730), (11820, 16596), (12447, 15760), (13830, 14184)]