71912880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 240

約数和(自身を含む): 269580960

約数和(自身を除く): 197668080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 169, 180, 195, 197, 208, 216, 234, 240, 260, 270, 312, 338, 351, 360, 390, 394, 432, 468, 507, 520, 540, 585, 591, 624, 676, 702, 720, 780, 788, 845, 936, 985, 1014, 1040, 1080, 1170, 1182, 1352, 1404, 1521, 1560, 1576, 1690, 1755, 1773, 1872, 1970, 2028, 2160, 2340, 2364, 2535, 2561, 2704, 2808, 2955, 3042, 3120, 3152, 3380, 3510, 3546, 3940, 4056, 4563, 4680, 4728, 5070, 5122, 5319, 5616, 5910, 6084, 6760, 7020, 7092, 7605, 7683, 7880, 8112, 8865, 9126, 9360, 9456, 10140, 10244, 10638, 11820, 12168, 12805, 13520, 14040, 14184, 15210, 15366, 15760, 17730, 18252, 20280, 20488, 21276, 22815, 23049, 23640, 24336, 25610, 26595, 28080, 28368, 30420, 30732, 33293, 35460, 36504, 38415, 40560, 40976, 42552, 45630, 46098, 47280, 51220, 53190, 60840, 61464, 66586, 69147, 70920, 73008, 76830, 85104, 91260, 92196, 99879, 102440, 106380, 115245, 121680, 122928, 133172, 138294, 141840, 153660, 166465, 182520, 184392, 199758, 204880, 212760, 230490, 266344, 276588, 299637, 307320, 332930, 345735, 365040, 368784, 399516, 425520, 460980, 499395, 532688, 553176, 599274, 614640, 665860, 691470, 799032, 898911, 921960, 998790, 1106352, 1198548, 1331720, 1382940, 1498185, 1598064, 1797822, 1843920, 1997580, 2397096, 2663440, 2765880, 2996370, 3595644, 3995160, 4494555, 4794192, 5531760, 5992740, 7191288, 7990320, 8989110, 11985480, 14382576, 17978220, 23970960, 35956440, 71912880]

約数ペア:

[(1, 71912880), (2, 35956440), (3, 23970960), (4, 17978220), (5, 14382576), (6, 11985480), (8, 8989110), (9, 7990320), (10, 7191288), (12, 5992740), (13, 5531760), (15, 4794192), (16, 4494555), (18, 3995160), (20, 3595644), (24, 2996370), (26, 2765880), (27, 2663440), (30, 2397096), (36, 1997580), (39, 1843920), (40, 1797822), (45, 1598064), (48, 1498185), (52, 1382940), (54, 1331720), (60, 1198548), (65, 1106352), (72, 998790), (78, 921960), (80, 898911), (90, 799032), (104, 691470), (108, 665860), (117, 614640), (120, 599274), (130, 553176), (135, 532688), (144, 499395), (156, 460980), (169, 425520), (180, 399516), (195, 368784), (197, 365040), (208, 345735), (216, 332930), (234, 307320), (240, 299637), (260, 276588), (270, 266344), (312, 230490), (338, 212760), (351, 204880), (360, 199758), (390, 184392), (394, 182520), (432, 166465), (468, 153660), (507, 141840), (520, 138294), (540, 133172), (585, 122928), (591, 121680), (624, 115245), (676, 106380), (702, 102440), (720, 99879), (780, 92196), (788, 91260), (845, 85104), (936, 76830), (985, 73008), (1014, 70920), (1040, 69147), (1080, 66586), (1170, 61464), (1182, 60840), (1352, 53190), (1404, 51220), (1521, 47280), (1560, 46098), (1576, 45630), (1690, 42552), (1755, 40976), (1773, 40560), (1872, 38415), (1970, 36504), (2028, 35460), (2160, 33293), (2340, 30732), (2364, 30420), (2535, 28368), (2561, 28080), (2704, 26595), (2808, 25610), (2955, 24336), (3042, 23640), (3120, 23049), (3152, 22815), (3380, 21276), (3510, 20488), (3546, 20280), (3940, 18252), (4056, 17730), (4563, 15760), (4680, 15366), (4728, 15210), (5070, 14184), (5122, 14040), (5319, 13520), (5616, 12805), (5910, 12168), (6084, 11820), (6760, 10638), (7020, 10244), (7092, 10140), (7605, 9456), (7683, 9360), (7880, 9126), (8112, 8865)]