67641420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^5$

素因数の和:74

約数の個数: 144

約数和(自身を含む): 238097664

約数和(自身を除く): 170456244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1331, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 2662, 3388, 3630, 3993, 4235, 4620, 5082, 5324, 6655, 7260, 7986, 8470, 9317, 10164, 12705, 13310, 14641, 15972, 16940, 18634, 19965, 25410, 26620, 27951, 29282, 37268, 39930, 43923, 46585, 50820, 55902, 58564, 73205, 79860, 87846, 93170, 102487, 111804, 139755, 146410, 161051, 175692, 186340, 204974, 219615, 279510, 292820, 307461, 322102, 409948, 439230, 483153, 512435, 559020, 614922, 644204, 805255, 878460, 966306, 1024870, 1127357, 1229844, 1537305, 1610510, 1932612, 2049740, 2254714, 2415765, 3074610, 3221020, 3382071, 4509428, 4831530, 5636785, 6149220, 6764142, 9663060, 11273570, 13528284, 16910355, 22547140, 33820710, 67641420]

約数ペア:

[(1, 67641420), (2, 33820710), (3, 22547140), (4, 16910355), (5, 13528284), (6, 11273570), (7, 9663060), (10, 6764142), (11, 6149220), (12, 5636785), (14, 4831530), (15, 4509428), (20, 3382071), (21, 3221020), (22, 3074610), (28, 2415765), (30, 2254714), (33, 2049740), (35, 1932612), (42, 1610510), (44, 1537305), (55, 1229844), (60, 1127357), (66, 1024870), (70, 966306), (77, 878460), (84, 805255), (105, 644204), (110, 614922), (121, 559020), (132, 512435), (140, 483153), (154, 439230), (165, 409948), (210, 322102), (220, 307461), (231, 292820), (242, 279510), (308, 219615), (330, 204974), (363, 186340), (385, 175692), (420, 161051), (462, 146410), (484, 139755), (605, 111804), (660, 102487), (726, 93170), (770, 87846), (847, 79860), (924, 73205), (1155, 58564), (1210, 55902), (1331, 50820), (1452, 46585), (1540, 43923), (1694, 39930), (1815, 37268), (2310, 29282), (2420, 27951), (2541, 26620), (2662, 25410), (3388, 19965), (3630, 18634), (3993, 16940), (4235, 15972), (4620, 14641), (5082, 13310), (5324, 12705), (6655, 10164), (7260, 9317), (7986, 8470)]