1208290720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2677}}^1$

素因数の和:2743

約数の個数: 192

約数和(自身を含む): 3628025856

約数和(自身を除く): 2419735136

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 364, 403, 416, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 992, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1820, 2015, 2080, 2170, 2480, 2677, 2821, 2912, 3224, 3472, 3640, 4030, 4340, 4960, 5354, 5642, 6448, 6944, 7280, 8060, 8680, 10708, 11284, 12896, 13385, 14105, 14560, 16120, 17360, 18739, 21416, 22568, 26770, 28210, 32240, 34720, 34801, 37478, 42832, 45136, 53540, 56420, 64480, 69602, 74956, 82987, 85664, 90272, 93695, 107080, 112840, 139204, 149912, 165974, 174005, 187390, 214160, 225680, 243607, 278408, 299824, 331948, 348010, 374780, 414935, 428320, 451360, 487214, 556816, 580909, 599648, 663896, 696020, 749560, 829870, 974428, 1078831, 1113632, 1161818, 1218035, 1327792, 1392040, 1499120, 1659740, 1948856, 2157662, 2323636, 2436070, 2655584, 2784080, 2904545, 2998240, 3319480, 3897712, 4315324, 4647272, 4872140, 5394155, 5568160, 5809090, 6638960, 7551817, 7795424, 8630648, 9294544, 9744280, 10788310, 11618180, 13277920, 15103634, 17261296, 18589088, 19488560, 21576620, 23236360, 30207268, 34522592, 37759085, 38977120, 43153240, 46472720, 60414536, 75518170, 86306480, 92945440, 120829072, 151036340, 172612960, 241658144, 302072680, 604145360, 1208290720]

約数ペア:

[(1, 1208290720), (2, 604145360), (4, 302072680), (5, 241658144), (7, 172612960), (8, 151036340), (10, 120829072), (13, 92945440), (14, 86306480), (16, 75518170), (20, 60414536), (26, 46472720), (28, 43153240), (31, 38977120), (32, 37759085), (35, 34522592), (40, 30207268), (52, 23236360), (56, 21576620), (62, 19488560), (65, 18589088), (70, 17261296), (80, 15103634), (91, 13277920), (104, 11618180), (112, 10788310), (124, 9744280), (130, 9294544), (140, 8630648), (155, 7795424), (160, 7551817), (182, 6638960), (208, 5809090), (217, 5568160), (224, 5394155), (248, 4872140), (260, 4647272), (280, 4315324), (310, 3897712), (364, 3319480), (403, 2998240), (416, 2904545), (434, 2784080), (455, 2655584), (496, 2436070), (520, 2323636), (560, 2157662), (620, 1948856), (728, 1659740), (806, 1499120), (868, 1392040), (910, 1327792), (992, 1218035), (1040, 1161818), (1085, 1113632), (1120, 1078831), (1240, 974428), (1456, 829870), (1612, 749560), (1736, 696020), (1820, 663896), (2015, 599648), (2080, 580909), (2170, 556816), (2480, 487214), (2677, 451360), (2821, 428320), (2912, 414935), (3224, 374780), (3472, 348010), (3640, 331948), (4030, 299824), (4340, 278408), (4960, 243607), (5354, 225680), (5642, 214160), (6448, 187390), (6944, 174005), (7280, 165974), (8060, 149912), (8680, 139204), (10708, 112840), (11284, 107080), (12896, 93695), (13385, 90272), (14105, 85664), (14560, 82987), (16120, 74956), (17360, 69602), (18739, 64480), (21416, 56420), (22568, 53540), (26770, 45136), (28210, 42832), (32240, 37478), (34720, 34801)]