72378180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 288

約数和(自身を含む): 276756480

約数和(自身を除く): 204378300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 31, 34, 35, 36, 42, 45, 51, 60, 62, 63, 68, 70, 84, 85, 90, 93, 102, 105, 109, 119, 124, 126, 140, 153, 155, 170, 180, 186, 204, 210, 217, 218, 238, 252, 255, 279, 306, 310, 315, 327, 340, 357, 372, 420, 434, 436, 465, 476, 510, 527, 545, 558, 595, 612, 620, 630, 651, 654, 714, 763, 765, 868, 930, 981, 1020, 1054, 1071, 1085, 1090, 1116, 1190, 1260, 1302, 1308, 1395, 1428, 1526, 1530, 1581, 1635, 1785, 1853, 1860, 1953, 1962, 2108, 2142, 2170, 2180, 2289, 2380, 2604, 2635, 2790, 3052, 3060, 3162, 3255, 3270, 3379, 3570, 3689, 3706, 3815, 3906, 3924, 4284, 4340, 4578, 4743, 4905, 5270, 5355, 5559, 5580, 6324, 6510, 6540, 6758, 6867, 7140, 7378, 7412, 7630, 7812, 7905, 9156, 9265, 9486, 9765, 9810, 10137, 10540, 10710, 11067, 11118, 11445, 12971, 13020, 13516, 13734, 14756, 15260, 15810, 16677, 16895, 18445, 18530, 18972, 19530, 19620, 20274, 21420, 22134, 22236, 22890, 23653, 23715, 25942, 27468, 27795, 30411, 31620, 33201, 33354, 33790, 34335, 36890, 37060, 38913, 39060, 40548, 44268, 45780, 47306, 47430, 50685, 51884, 55335, 55590, 57443, 60822, 64855, 66402, 66708, 67580, 68670, 70959, 73780, 77826, 83385, 94612, 94860, 101370, 110670, 111180, 114886, 116739, 118265, 121644, 129710, 132804, 137340, 141918, 152055, 155652, 166005, 166770, 172329, 194565, 202740, 212877, 221340, 229772, 233478, 236530, 259420, 283836, 287215, 304110, 332010, 333540, 344658, 354795, 389130, 402101, 425754, 466956, 473060, 516987, 574430, 583695, 608220, 664020, 689316, 709590, 778260, 804202, 851508, 861645, 1033974, 1064385, 1148860, 1167390, 1206303, 1419180, 1608404, 1723290, 2010505, 2067948, 2128770, 2334780, 2412606, 2584935, 3446580, 3618909, 4021010, 4257540, 4825212, 5169870, 6031515, 7237818, 8042020, 10339740, 12063030, 14475636, 18094545, 24126060, 36189090, 72378180]

約数ペア:

[(1, 72378180), (2, 36189090), (3, 24126060), (4, 18094545), (5, 14475636), (6, 12063030), (7, 10339740), (9, 8042020), (10, 7237818), (12, 6031515), (14, 5169870), (15, 4825212), (17, 4257540), (18, 4021010), (20, 3618909), (21, 3446580), (28, 2584935), (30, 2412606), (31, 2334780), (34, 2128770), (35, 2067948), (36, 2010505), (42, 1723290), (45, 1608404), (51, 1419180), (60, 1206303), (62, 1167390), (63, 1148860), (68, 1064385), (70, 1033974), (84, 861645), (85, 851508), (90, 804202), (93, 778260), (102, 709590), (105, 689316), (109, 664020), (119, 608220), (124, 583695), (126, 574430), (140, 516987), (153, 473060), (155, 466956), (170, 425754), (180, 402101), (186, 389130), (204, 354795), (210, 344658), (217, 333540), (218, 332010), (238, 304110), (252, 287215), (255, 283836), (279, 259420), (306, 236530), (310, 233478), (315, 229772), (327, 221340), (340, 212877), (357, 202740), (372, 194565), (420, 172329), (434, 166770), (436, 166005), (465, 155652), (476, 152055), (510, 141918), (527, 137340), (545, 132804), (558, 129710), (595, 121644), (612, 118265), (620, 116739), (630, 114886), (651, 111180), (654, 110670), (714, 101370), (763, 94860), (765, 94612), (868, 83385), (930, 77826), (981, 73780), (1020, 70959), (1054, 68670), (1071, 67580), (1085, 66708), (1090, 66402), (1116, 64855), (1190, 60822), (1260, 57443), (1302, 55590), (1308, 55335), (1395, 51884), (1428, 50685), (1526, 47430), (1530, 47306), (1581, 45780), (1635, 44268), (1785, 40548), (1853, 39060), (1860, 38913), (1953, 37060), (1962, 36890), (2108, 34335), (2142, 33790), (2170, 33354), (2180, 33201), (2289, 31620), (2380, 30411), (2604, 27795), (2635, 27468), (2790, 25942), (3052, 23715), (3060, 23653), (3162, 22890), (3255, 22236), (3270, 22134), (3379, 21420), (3570, 20274), (3689, 19620), (3706, 19530), (3815, 18972), (3906, 18530), (3924, 18445), (4284, 16895), (4340, 16677), (4578, 15810), (4743, 15260), (4905, 14756), (5270, 13734), (5355, 13516), (5559, 13020), (5580, 12971), (6324, 11445), (6510, 11118), (6540, 11067), (6758, 10710), (6867, 10540), (7140, 10137), (7378, 9810), (7412, 9765), (7630, 9486), (7812, 9265), (7905, 9156)]