65991870

素因数分解:

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

素因数の和:191

約数の個数: 144

約数和(自身を含む): 204478560

約数和(自身を除く): 138486690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 105, 109, 126, 155, 186, 210, 217, 218, 279, 310, 315, 327, 434, 465, 545, 558, 630, 651, 654, 763, 930, 961, 981, 1085, 1090, 1302, 1395, 1526, 1635, 1922, 1953, 1962, 2170, 2289, 2790, 2883, 3255, 3270, 3379, 3815, 3906, 4578, 4805, 4905, 5766, 6510, 6727, 6758, 6867, 7630, 8649, 9610, 9765, 9810, 10137, 11445, 13454, 13734, 14415, 16895, 17298, 19530, 20181, 20274, 22890, 23653, 28830, 30411, 33635, 33790, 34335, 40362, 43245, 47306, 50685, 60543, 60822, 67270, 68670, 70959, 86490, 100905, 101370, 104749, 118265, 121086, 141918, 152055, 201810, 209498, 212877, 236530, 302715, 304110, 314247, 354795, 425754, 523745, 605430, 628494, 709590, 733243, 942741, 1047490, 1064385, 1466486, 1571235, 1885482, 2128770, 2199729, 3142470, 3666215, 4399458, 4713705, 6599187, 7332430, 9427410, 10998645, 13198374, 21997290, 32995935, 65991870]

約数ペア:

[(1, 65991870), (2, 32995935), (3, 21997290), (5, 13198374), (6, 10998645), (7, 9427410), (9, 7332430), (10, 6599187), (14, 4713705), (15, 4399458), (18, 3666215), (21, 3142470), (30, 2199729), (31, 2128770), (35, 1885482), (42, 1571235), (45, 1466486), (62, 1064385), (63, 1047490), (70, 942741), (90, 733243), (93, 709590), (105, 628494), (109, 605430), (126, 523745), (155, 425754), (186, 354795), (210, 314247), (217, 304110), (218, 302715), (279, 236530), (310, 212877), (315, 209498), (327, 201810), (434, 152055), (465, 141918), (545, 121086), (558, 118265), (630, 104749), (651, 101370), (654, 100905), (763, 86490), (930, 70959), (961, 68670), (981, 67270), (1085, 60822), (1090, 60543), (1302, 50685), (1395, 47306), (1526, 43245), (1635, 40362), (1922, 34335), (1953, 33790), (1962, 33635), (2170, 30411), (2289, 28830), (2790, 23653), (2883, 22890), (3255, 20274), (3270, 20181), (3379, 19530), (3815, 17298), (3906, 16895), (4578, 14415), (4805, 13734), (4905, 13454), (5766, 11445), (6510, 10137), (6727, 9810), (6758, 9765), (6867, 9610), (7630, 8649)]