131983740

素因数分解:

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

素因数の和:193

約数の個数: 216

約数和(自身を含む): 477116640

約数和(自身を除く): 345132900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 109, 124, 126, 140, 155, 180, 186, 210, 217, 218, 252, 279, 310, 315, 327, 372, 420, 434, 436, 465, 545, 558, 620, 630, 651, 654, 763, 868, 930, 961, 981, 1085, 1090, 1116, 1260, 1302, 1308, 1395, 1526, 1635, 1860, 1922, 1953, 1962, 2170, 2180, 2289, 2604, 2790, 2883, 3052, 3255, 3270, 3379, 3815, 3844, 3906, 3924, 4340, 4578, 4805, 4905, 5580, 5766, 6510, 6540, 6727, 6758, 6867, 7630, 7812, 8649, 9156, 9610, 9765, 9810, 10137, 11445, 11532, 13020, 13454, 13516, 13734, 14415, 15260, 16895, 17298, 19220, 19530, 19620, 20181, 20274, 22890, 23653, 26908, 27468, 28830, 30411, 33635, 33790, 34335, 34596, 39060, 40362, 40548, 43245, 45780, 47306, 50685, 57660, 60543, 60822, 67270, 67580, 68670, 70959, 80724, 86490, 94612, 100905, 101370, 104749, 118265, 121086, 121644, 134540, 137340, 141918, 152055, 172980, 201810, 202740, 209498, 212877, 236530, 242172, 283836, 302715, 304110, 314247, 354795, 403620, 418996, 425754, 473060, 523745, 605430, 608220, 628494, 709590, 733243, 851508, 942741, 1047490, 1064385, 1210860, 1256988, 1419180, 1466486, 1571235, 1885482, 2094980, 2128770, 2199729, 2932972, 3142470, 3666215, 3770964, 4257540, 4399458, 4713705, 6284940, 6599187, 7332430, 8798916, 9427410, 10998645, 13198374, 14664860, 18854820, 21997290, 26396748, 32995935, 43994580, 65991870, 131983740]

約数ペア:

[(1, 131983740), (2, 65991870), (3, 43994580), (4, 32995935), (5, 26396748), (6, 21997290), (7, 18854820), (9, 14664860), (10, 13198374), (12, 10998645), (14, 9427410), (15, 8798916), (18, 7332430), (20, 6599187), (21, 6284940), (28, 4713705), (30, 4399458), (31, 4257540), (35, 3770964), (36, 3666215), (42, 3142470), (45, 2932972), (60, 2199729), (62, 2128770), (63, 2094980), (70, 1885482), (84, 1571235), (90, 1466486), (93, 1419180), (105, 1256988), (109, 1210860), (124, 1064385), (126, 1047490), (140, 942741), (155, 851508), (180, 733243), (186, 709590), (210, 628494), (217, 608220), (218, 605430), (252, 523745), (279, 473060), (310, 425754), (315, 418996), (327, 403620), (372, 354795), (420, 314247), (434, 304110), (436, 302715), (465, 283836), (545, 242172), (558, 236530), (620, 212877), (630, 209498), (651, 202740), (654, 201810), (763, 172980), (868, 152055), (930, 141918), (961, 137340), (981, 134540), (1085, 121644), (1090, 121086), (1116, 118265), (1260, 104749), (1302, 101370), (1308, 100905), (1395, 94612), (1526, 86490), (1635, 80724), (1860, 70959), (1922, 68670), (1953, 67580), (1962, 67270), (2170, 60822), (2180, 60543), (2289, 57660), (2604, 50685), (2790, 47306), (2883, 45780), (3052, 43245), (3255, 40548), (3270, 40362), (3379, 39060), (3815, 34596), (3844, 34335), (3906, 33790), (3924, 33635), (4340, 30411), (4578, 28830), (4805, 27468), (4905, 26908), (5580, 23653), (5766, 22890), (6510, 20274), (6540, 20181), (6727, 19620), (6758, 19530), (6867, 19220), (7630, 17298), (7812, 16895), (8649, 15260), (9156, 14415), (9610, 13734), (9765, 13516), (9810, 13454), (10137, 13020), (11445, 11532)]