68444820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 219098880

約数和(自身を除く): 150654060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 43, 45, 60, 74, 86, 90, 111, 129, 148, 172, 180, 185, 215, 222, 239, 258, 333, 370, 387, 430, 444, 478, 516, 555, 645, 666, 717, 740, 774, 860, 956, 1110, 1195, 1290, 1332, 1434, 1548, 1591, 1665, 1935, 2151, 2220, 2390, 2580, 2868, 3182, 3330, 3585, 3870, 4302, 4773, 4780, 6364, 6660, 7170, 7740, 7955, 8604, 8843, 9546, 10277, 10755, 14319, 14340, 15910, 17686, 19092, 20554, 21510, 23865, 26529, 28638, 30831, 31820, 35372, 41108, 43020, 44215, 47730, 51385, 53058, 57276, 61662, 71595, 79587, 88430, 92493, 95460, 102770, 106116, 123324, 132645, 143190, 154155, 159174, 176860, 184986, 205540, 265290, 286380, 308310, 318348, 369972, 380249, 397935, 462465, 530580, 616620, 760498, 795870, 924930, 1140747, 1520996, 1591740, 1849860, 1901245, 2281494, 3422241, 3802490, 4562988, 5703735, 6844482, 7604980, 11407470, 13688964, 17111205, 22814940, 34222410, 68444820]

約数ペア:

[(1, 68444820), (2, 34222410), (3, 22814940), (4, 17111205), (5, 13688964), (6, 11407470), (9, 7604980), (10, 6844482), (12, 5703735), (15, 4562988), (18, 3802490), (20, 3422241), (30, 2281494), (36, 1901245), (37, 1849860), (43, 1591740), (45, 1520996), (60, 1140747), (74, 924930), (86, 795870), (90, 760498), (111, 616620), (129, 530580), (148, 462465), (172, 397935), (180, 380249), (185, 369972), (215, 318348), (222, 308310), (239, 286380), (258, 265290), (333, 205540), (370, 184986), (387, 176860), (430, 159174), (444, 154155), (478, 143190), (516, 132645), (555, 123324), (645, 106116), (666, 102770), (717, 95460), (740, 92493), (774, 88430), (860, 79587), (956, 71595), (1110, 61662), (1195, 57276), (1290, 53058), (1332, 51385), (1434, 47730), (1548, 44215), (1591, 43020), (1665, 41108), (1935, 35372), (2151, 31820), (2220, 30831), (2390, 28638), (2580, 26529), (2868, 23865), (3182, 21510), (3330, 20554), (3585, 19092), (3870, 17686), (4302, 15910), (4773, 14340), (4780, 14319), (6364, 10755), (6660, 10277), (7170, 9546), (7740, 8843), (7955, 8604)]