31186260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 110388096

約数和(自身を除く): 79201836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 467, 477, 530, 630, 636, 742, 795, 934, 954, 1060, 1113, 1260, 1401, 1484, 1590, 1855, 1868, 1908, 2226, 2335, 2385, 2802, 3180, 3269, 3339, 3710, 4203, 4452, 4670, 4770, 5565, 5604, 6538, 6678, 7005, 7420, 8406, 9340, 9540, 9807, 11130, 13076, 13356, 14010, 16345, 16695, 16812, 19614, 21015, 22260, 24751, 28020, 29421, 32690, 33390, 39228, 42030, 49035, 49502, 58842, 65380, 66780, 74253, 84060, 98070, 99004, 117684, 123755, 147105, 148506, 173257, 196140, 222759, 247510, 294210, 297012, 346514, 371265, 445518, 495020, 519771, 588420, 693028, 742530, 866285, 891036, 1039542, 1113795, 1485060, 1559313, 1732570, 2079084, 2227590, 2598855, 3118626, 3465140, 4455180, 5197710, 6237252, 7796565, 10395420, 15593130, 31186260]

約数ペア:

[(1, 31186260), (2, 15593130), (3, 10395420), (4, 7796565), (5, 6237252), (6, 5197710), (7, 4455180), (9, 3465140), (10, 3118626), (12, 2598855), (14, 2227590), (15, 2079084), (18, 1732570), (20, 1559313), (21, 1485060), (28, 1113795), (30, 1039542), (35, 891036), (36, 866285), (42, 742530), (45, 693028), (53, 588420), (60, 519771), (63, 495020), (70, 445518), (84, 371265), (90, 346514), (105, 297012), (106, 294210), (126, 247510), (140, 222759), (159, 196140), (180, 173257), (210, 148506), (212, 147105), (252, 123755), (265, 117684), (315, 99004), (318, 98070), (371, 84060), (420, 74253), (467, 66780), (477, 65380), (530, 58842), (630, 49502), (636, 49035), (742, 42030), (795, 39228), (934, 33390), (954, 32690), (1060, 29421), (1113, 28020), (1260, 24751), (1401, 22260), (1484, 21015), (1590, 19614), (1855, 16812), (1868, 16695), (1908, 16345), (2226, 14010), (2335, 13356), (2385, 13076), (2802, 11130), (3180, 9807), (3269, 9540), (3339, 9340), (3710, 8406), (4203, 7420), (4452, 7005), (4670, 6678), (4770, 6538), (5565, 5604)]