128752920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 440294400

約数和(自身を除く): 311541480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 83, 90, 93, 120, 124, 139, 155, 166, 180, 186, 248, 249, 278, 279, 310, 332, 360, 372, 415, 417, 465, 498, 556, 558, 620, 664, 695, 744, 747, 830, 834, 930, 996, 1112, 1116, 1240, 1245, 1251, 1390, 1395, 1494, 1660, 1668, 1860, 1992, 2085, 2232, 2490, 2502, 2573, 2780, 2790, 2988, 3320, 3336, 3720, 3735, 4170, 4309, 4980, 5004, 5146, 5560, 5580, 5976, 6255, 7470, 7719, 8340, 8618, 9960, 10008, 10292, 11160, 11537, 12510, 12865, 12927, 14940, 15438, 16680, 17236, 20584, 21545, 23074, 23157, 25020, 25730, 25854, 29880, 30876, 34472, 34611, 38595, 38781, 43090, 46148, 46314, 50040, 51460, 51708, 57685, 61752, 64635, 69222, 77190, 77562, 86180, 92296, 92628, 102920, 103416, 103833, 115370, 115785, 129270, 138444, 154380, 155124, 172360, 173055, 185256, 193905, 207666, 230740, 231570, 258540, 276888, 308760, 310248, 346110, 357647, 387810, 415332, 461480, 463140, 517080, 519165, 692220, 715294, 775620, 830664, 926280, 1038330, 1072941, 1384440, 1430588, 1551240, 1788235, 2076660, 2145882, 2861176, 3218823, 3576470, 4153320, 4291764, 5364705, 6437646, 7152940, 8583528, 10729410, 12875292, 14305880, 16094115, 21458820, 25750584, 32188230, 42917640, 64376460, 128752920]

約数ペア:

[(1, 128752920), (2, 64376460), (3, 42917640), (4, 32188230), (5, 25750584), (6, 21458820), (8, 16094115), (9, 14305880), (10, 12875292), (12, 10729410), (15, 8583528), (18, 7152940), (20, 6437646), (24, 5364705), (30, 4291764), (31, 4153320), (36, 3576470), (40, 3218823), (45, 2861176), (60, 2145882), (62, 2076660), (72, 1788235), (83, 1551240), (90, 1430588), (93, 1384440), (120, 1072941), (124, 1038330), (139, 926280), (155, 830664), (166, 775620), (180, 715294), (186, 692220), (248, 519165), (249, 517080), (278, 463140), (279, 461480), (310, 415332), (332, 387810), (360, 357647), (372, 346110), (415, 310248), (417, 308760), (465, 276888), (498, 258540), (556, 231570), (558, 230740), (620, 207666), (664, 193905), (695, 185256), (744, 173055), (747, 172360), (830, 155124), (834, 154380), (930, 138444), (996, 129270), (1112, 115785), (1116, 115370), (1240, 103833), (1245, 103416), (1251, 102920), (1390, 92628), (1395, 92296), (1494, 86180), (1660, 77562), (1668, 77190), (1860, 69222), (1992, 64635), (2085, 61752), (2232, 57685), (2490, 51708), (2502, 51460), (2573, 50040), (2780, 46314), (2790, 46148), (2988, 43090), (3320, 38781), (3336, 38595), (3720, 34611), (3735, 34472), (4170, 30876), (4309, 29880), (4980, 25854), (5004, 25730), (5146, 25020), (5560, 23157), (5580, 23074), (5976, 21545), (6255, 20584), (7470, 17236), (7719, 16680), (8340, 15438), (8618, 14940), (9960, 12927), (10008, 12865), (10292, 12510), (11160, 11537)]