71720100400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:868

約数の個数: 240

約数和(自身を含む): 188247506944

約数和(自身を除く): 116527406544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 127, 130, 200, 208, 223, 254, 260, 325, 400, 446, 487, 508, 520, 635, 650, 892, 974, 1016, 1040, 1115, 1270, 1300, 1651, 1784, 1948, 2032, 2230, 2435, 2540, 2600, 2899, 3175, 3302, 3568, 3896, 4460, 4870, 5080, 5200, 5575, 5798, 6331, 6350, 6604, 7792, 8255, 8920, 9740, 10160, 11150, 11596, 12175, 12662, 12700, 13208, 14495, 16510, 17840, 19480, 22300, 23192, 24350, 25324, 25400, 26416, 28321, 28990, 31655, 33020, 38960, 41275, 44600, 46384, 48700, 50648, 50800, 56642, 57980, 61849, 63310, 66040, 72475, 82550, 89200, 97400, 101296, 108601, 113284, 115960, 123698, 126620, 132080, 141605, 144950, 158275, 165100, 194800, 217202, 226568, 231920, 247396, 253240, 283210, 289900, 309245, 316550, 330200, 368173, 434404, 453136, 494792, 506480, 543005, 566420, 579800, 618490, 633100, 660400, 708025, 736346, 804037, 868808, 989584, 1086010, 1132840, 1159600, 1236980, 1266200, 1411813, 1416050, 1472692, 1546225, 1608074, 1737616, 1840865, 2172020, 2265680, 2473960, 2532400, 2715025, 2823626, 2832100, 2945384, 3092450, 3216148, 3681730, 4020185, 4344040, 4947920, 5430050, 5647252, 5664200, 5890768, 6184900, 6432296, 7059065, 7363460, 8040370, 8688080, 9204325, 10860100, 11294504, 11328400, 12369800, 12864592, 13792327, 14118130, 14726920, 16080740, 18408650, 20100925, 21720200, 22589008, 24739600, 27584654, 28236260, 29453840, 32161480, 35295325, 36817300, 40201850, 43440400, 55169308, 56472520, 64322960, 68961635, 70590650, 73634600, 80403700, 110338616, 112945040, 137923270, 141181300, 147269200, 160807400, 179300251, 220677232, 275846540, 282362600, 321614800, 344808175, 358600502, 551693080, 564725200, 689616350, 717201004, 896501255, 1103386160, 1379232700, 1434402008, 1793002510, 2758465400, 2868804016, 3586005020, 4482506275, 5516930800, 7172010040, 8965012550, 14344020080, 17930025100, 35860050200, 71720100400]

約数ペア:

[(1, 71720100400), (2, 35860050200), (4, 17930025100), (5, 14344020080), (8, 8965012550), (10, 7172010040), (13, 5516930800), (16, 4482506275), (20, 3586005020), (25, 2868804016), (26, 2758465400), (40, 1793002510), (50, 1434402008), (52, 1379232700), (65, 1103386160), (80, 896501255), (100, 717201004), (104, 689616350), (127, 564725200), (130, 551693080), (200, 358600502), (208, 344808175), (223, 321614800), (254, 282362600), (260, 275846540), (325, 220677232), (400, 179300251), (446, 160807400), (487, 147269200), (508, 141181300), (520, 137923270), (635, 112945040), (650, 110338616), (892, 80403700), (974, 73634600), (1016, 70590650), (1040, 68961635), (1115, 64322960), (1270, 56472520), (1300, 55169308), (1651, 43440400), (1784, 40201850), (1948, 36817300), (2032, 35295325), (2230, 32161480), (2435, 29453840), (2540, 28236260), (2600, 27584654), (2899, 24739600), (3175, 22589008), (3302, 21720200), (3568, 20100925), (3896, 18408650), (4460, 16080740), (4870, 14726920), (5080, 14118130), (5200, 13792327), (5575, 12864592), (5798, 12369800), (6331, 11328400), (6350, 11294504), (6604, 10860100), (7792, 9204325), (8255, 8688080), (8920, 8040370), (9740, 7363460), (10160, 7059065), (11150, 6432296), (11596, 6184900), (12175, 5890768), (12662, 5664200), (12700, 5647252), (13208, 5430050), (14495, 4947920), (16510, 4344040), (17840, 4020185), (19480, 3681730), (22300, 3216148), (23192, 3092450), (24350, 2945384), (25324, 2832100), (25400, 2823626), (26416, 2715025), (28321, 2532400), (28990, 2473960), (31655, 2265680), (33020, 2172020), (38960, 1840865), (41275, 1737616), (44600, 1608074), (46384, 1546225), (48700, 1472692), (50648, 1416050), (50800, 1411813), (56642, 1266200), (57980, 1236980), (61849, 1159600), (63310, 1132840), (66040, 1086010), (72475, 989584), (82550, 868808), (89200, 804037), (97400, 736346), (101296, 708025), (108601, 660400), (113284, 633100), (115960, 618490), (123698, 579800), (126620, 566420), (132080, 543005), (141605, 506480), (144950, 494792), (158275, 453136), (165100, 434404), (194800, 368173), (217202, 330200), (226568, 316550), (231920, 309245), (247396, 289900), (253240, 283210)]