68411340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 216530496

約数和(自身を除く): 148119156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 71, 90, 101, 106, 142, 159, 180, 202, 212, 213, 265, 284, 303, 318, 355, 404, 426, 477, 505, 530, 606, 636, 639, 710, 795, 852, 909, 954, 1010, 1060, 1065, 1212, 1278, 1420, 1515, 1590, 1818, 1908, 2020, 2130, 2385, 2556, 3030, 3180, 3195, 3636, 3763, 4260, 4545, 4770, 5353, 6060, 6390, 7171, 7526, 9090, 9540, 10706, 11289, 12780, 14342, 15052, 16059, 18180, 18815, 21412, 21513, 22578, 26765, 28684, 32118, 33867, 35855, 37630, 43026, 45156, 48177, 53530, 56445, 64236, 64539, 67734, 71710, 75260, 80295, 86052, 96354, 107060, 107565, 112890, 129078, 135468, 143420, 160590, 169335, 192708, 215130, 225780, 240885, 258156, 321180, 322695, 338670, 380063, 430260, 481770, 645390, 677340, 760126, 963540, 1140189, 1290780, 1520252, 1900315, 2280378, 3420567, 3800630, 4560756, 5700945, 6841134, 7601260, 11401890, 13682268, 17102835, 22803780, 34205670, 68411340]

約数ペア:

[(1, 68411340), (2, 34205670), (3, 22803780), (4, 17102835), (5, 13682268), (6, 11401890), (9, 7601260), (10, 6841134), (12, 5700945), (15, 4560756), (18, 3800630), (20, 3420567), (30, 2280378), (36, 1900315), (45, 1520252), (53, 1290780), (60, 1140189), (71, 963540), (90, 760126), (101, 677340), (106, 645390), (142, 481770), (159, 430260), (180, 380063), (202, 338670), (212, 322695), (213, 321180), (265, 258156), (284, 240885), (303, 225780), (318, 215130), (355, 192708), (404, 169335), (426, 160590), (477, 143420), (505, 135468), (530, 129078), (606, 112890), (636, 107565), (639, 107060), (710, 96354), (795, 86052), (852, 80295), (909, 75260), (954, 71710), (1010, 67734), (1060, 64539), (1065, 64236), (1212, 56445), (1278, 53530), (1420, 48177), (1515, 45156), (1590, 43026), (1818, 37630), (1908, 35855), (2020, 33867), (2130, 32118), (2385, 28684), (2556, 26765), (3030, 22578), (3180, 21513), (3195, 21412), (3636, 18815), (3763, 18180), (4260, 16059), (4545, 15052), (4770, 14342), (5353, 12780), (6060, 11289), (6390, 10706), (7171, 9540), (7526, 9090)]