642748680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:553

約数の個数: 288

約数和(自身を含む): 2464862400

約数和(自身を除く): 1822113720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 83, 84, 90, 98, 105, 120, 126, 140, 147, 166, 168, 180, 196, 210, 245, 249, 252, 280, 294, 315, 332, 360, 392, 415, 420, 439, 441, 490, 498, 504, 581, 588, 630, 664, 735, 747, 830, 840, 878, 882, 980, 996, 1162, 1176, 1245, 1260, 1317, 1470, 1494, 1660, 1743, 1756, 1764, 1960, 1992, 2195, 2205, 2324, 2490, 2520, 2634, 2905, 2940, 2988, 3073, 3320, 3486, 3512, 3528, 3735, 3951, 4067, 4390, 4410, 4648, 4980, 5229, 5268, 5810, 5880, 5976, 6146, 6585, 6972, 7470, 7902, 8134, 8715, 8780, 8820, 9219, 9960, 10458, 10536, 11620, 12201, 12292, 13170, 13944, 14940, 15365, 15804, 16268, 17430, 17560, 17640, 18438, 19755, 20335, 20916, 21511, 23240, 24402, 24584, 26145, 26340, 27657, 29880, 30730, 31608, 32536, 34860, 36437, 36603, 36876, 39510, 40670, 41832, 43022, 46095, 48804, 52290, 52680, 55314, 61005, 61460, 64533, 69720, 72874, 73206, 73752, 79020, 81340, 86044, 92190, 97608, 104580, 107555, 109311, 110628, 122010, 122920, 129066, 138285, 145748, 146412, 158040, 162680, 172088, 182185, 183015, 184380, 193599, 209160, 215110, 218622, 221256, 244020, 255059, 258132, 276570, 291496, 292824, 322665, 327933, 364370, 366030, 368760, 387198, 430220, 437244, 488040, 510118, 516264, 546555, 553140, 645330, 655866, 728740, 732060, 765177, 774396, 860440, 874488, 967995, 1020236, 1093110, 1106280, 1275295, 1290660, 1311732, 1457480, 1464120, 1530354, 1548792, 1639665, 1785413, 1935990, 2040472, 2186220, 2295531, 2550590, 2581320, 2623464, 3060708, 3279330, 3570826, 3825885, 3871980, 4372440, 4591062, 5101180, 5356239, 6121416, 6558660, 7141652, 7651770, 7743960, 8927065, 9182124, 10202360, 10712478, 11477655, 13117320, 14283304, 15303540, 16068717, 17854130, 18364248, 21424956, 22955310, 26781195, 30607080, 32137434, 35708260, 42849912, 45910620, 53562390, 64274868, 71416520, 80343585, 91821240, 107124780, 128549736, 160687170, 214249560, 321374340, 642748680]

約数ペア:

[(1, 642748680), (2, 321374340), (3, 214249560), (4, 160687170), (5, 128549736), (6, 107124780), (7, 91821240), (8, 80343585), (9, 71416520), (10, 64274868), (12, 53562390), (14, 45910620), (15, 42849912), (18, 35708260), (20, 32137434), (21, 30607080), (24, 26781195), (28, 22955310), (30, 21424956), (35, 18364248), (36, 17854130), (40, 16068717), (42, 15303540), (45, 14283304), (49, 13117320), (56, 11477655), (60, 10712478), (63, 10202360), (70, 9182124), (72, 8927065), (83, 7743960), (84, 7651770), (90, 7141652), (98, 6558660), (105, 6121416), (120, 5356239), (126, 5101180), (140, 4591062), (147, 4372440), (166, 3871980), (168, 3825885), (180, 3570826), (196, 3279330), (210, 3060708), (245, 2623464), (249, 2581320), (252, 2550590), (280, 2295531), (294, 2186220), (315, 2040472), (332, 1935990), (360, 1785413), (392, 1639665), (415, 1548792), (420, 1530354), (439, 1464120), (441, 1457480), (490, 1311732), (498, 1290660), (504, 1275295), (581, 1106280), (588, 1093110), (630, 1020236), (664, 967995), (735, 874488), (747, 860440), (830, 774396), (840, 765177), (878, 732060), (882, 728740), (980, 655866), (996, 645330), (1162, 553140), (1176, 546555), (1245, 516264), (1260, 510118), (1317, 488040), (1470, 437244), (1494, 430220), (1660, 387198), (1743, 368760), (1756, 366030), (1764, 364370), (1960, 327933), (1992, 322665), (2195, 292824), (2205, 291496), (2324, 276570), (2490, 258132), (2520, 255059), (2634, 244020), (2905, 221256), (2940, 218622), (2988, 215110), (3073, 209160), (3320, 193599), (3486, 184380), (3512, 183015), (3528, 182185), (3735, 172088), (3951, 162680), (4067, 158040), (4390, 146412), (4410, 145748), (4648, 138285), (4980, 129066), (5229, 122920), (5268, 122010), (5810, 110628), (5880, 109311), (5976, 107555), (6146, 104580), (6585, 97608), (6972, 92190), (7470, 86044), (7902, 81340), (8134, 79020), (8715, 73752), (8780, 73206), (8820, 72874), (9219, 69720), (9960, 64533), (10458, 61460), (10536, 61005), (11620, 55314), (12201, 52680), (12292, 52290), (13170, 48804), (13944, 46095), (14940, 43022), (15365, 41832), (15804, 40670), (16268, 39510), (17430, 36876), (17560, 36603), (17640, 36437), (18438, 34860), (19755, 32536), (20335, 31608), (20916, 30730), (21511, 29880), (23240, 27657), (24402, 26340), (24584, 26145)]