78967620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 250967808

約数和(自身を除く): 172000188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 71, 74, 90, 111, 142, 148, 167, 180, 185, 213, 222, 284, 333, 334, 355, 370, 426, 444, 501, 555, 639, 666, 668, 710, 740, 835, 852, 1002, 1065, 1110, 1278, 1332, 1420, 1503, 1665, 1670, 2004, 2130, 2220, 2505, 2556, 2627, 3006, 3195, 3330, 3340, 4260, 5010, 5254, 6012, 6179, 6390, 6660, 7515, 7881, 10020, 10508, 11857, 12358, 12780, 13135, 15030, 15762, 18537, 23643, 23714, 24716, 26270, 30060, 30895, 31524, 35571, 37074, 39405, 47286, 47428, 52540, 55611, 59285, 61790, 71142, 74148, 78810, 92685, 94572, 106713, 111222, 118215, 118570, 123580, 142284, 157620, 177855, 185370, 213426, 222444, 236430, 237140, 278055, 355710, 370740, 426852, 438709, 472860, 533565, 556110, 711420, 877418, 1067130, 1112220, 1316127, 1754836, 2134260, 2193545, 2632254, 3948381, 4387090, 5264508, 6580635, 7896762, 8774180, 13161270, 15793524, 19741905, 26322540, 39483810, 78967620]

約数ペア:

[(1, 78967620), (2, 39483810), (3, 26322540), (4, 19741905), (5, 15793524), (6, 13161270), (9, 8774180), (10, 7896762), (12, 6580635), (15, 5264508), (18, 4387090), (20, 3948381), (30, 2632254), (36, 2193545), (37, 2134260), (45, 1754836), (60, 1316127), (71, 1112220), (74, 1067130), (90, 877418), (111, 711420), (142, 556110), (148, 533565), (167, 472860), (180, 438709), (185, 426852), (213, 370740), (222, 355710), (284, 278055), (333, 237140), (334, 236430), (355, 222444), (370, 213426), (426, 185370), (444, 177855), (501, 157620), (555, 142284), (639, 123580), (666, 118570), (668, 118215), (710, 111222), (740, 106713), (835, 94572), (852, 92685), (1002, 78810), (1065, 74148), (1110, 71142), (1278, 61790), (1332, 59285), (1420, 55611), (1503, 52540), (1665, 47428), (1670, 47286), (2004, 39405), (2130, 37074), (2220, 35571), (2505, 31524), (2556, 30895), (2627, 30060), (3006, 26270), (3195, 24716), (3330, 23714), (3340, 23643), (4260, 18537), (5010, 15762), (5254, 15030), (6012, 13135), (6179, 12780), (6390, 12358), (6660, 11857), (7515, 10508), (7881, 10020)]