68335920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1861}}^1$

素因数の和:1900

約数の個数: 160

約数和(自身を含む): 249359040

約数和(自身を除く): 181023120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1530, 1836, 1861, 2040, 2160, 2295, 2448, 3060, 3672, 3722, 4080, 4590, 5583, 6120, 7344, 7444, 9180, 9305, 11166, 12240, 14888, 16749, 18360, 18610, 22332, 27915, 29776, 31637, 33498, 36720, 37220, 44664, 50247, 55830, 63274, 66996, 74440, 83745, 89328, 94911, 100494, 111660, 126548, 133992, 148880, 158185, 167490, 189822, 200988, 223320, 251235, 253096, 267984, 284733, 316370, 334980, 379644, 401976, 446640, 474555, 502470, 506192, 569466, 632740, 669960, 759288, 803952, 854199, 949110, 1004940, 1138932, 1265480, 1339920, 1423665, 1518576, 1708398, 1898220, 2009880, 2277864, 2530960, 2847330, 3416796, 3796440, 4019760, 4270995, 4555728, 5694660, 6833592, 7592880, 8541990, 11389320, 13667184, 17083980, 22778640, 34167960, 68335920]

約数ペア:

[(1, 68335920), (2, 34167960), (3, 22778640), (4, 17083980), (5, 13667184), (6, 11389320), (8, 8541990), (9, 7592880), (10, 6833592), (12, 5694660), (15, 4555728), (16, 4270995), (17, 4019760), (18, 3796440), (20, 3416796), (24, 2847330), (27, 2530960), (30, 2277864), (34, 2009880), (36, 1898220), (40, 1708398), (45, 1518576), (48, 1423665), (51, 1339920), (54, 1265480), (60, 1138932), (68, 1004940), (72, 949110), (80, 854199), (85, 803952), (90, 759288), (102, 669960), (108, 632740), (120, 569466), (135, 506192), (136, 502470), (144, 474555), (153, 446640), (170, 401976), (180, 379644), (204, 334980), (216, 316370), (240, 284733), (255, 267984), (270, 253096), (272, 251235), (306, 223320), (340, 200988), (360, 189822), (408, 167490), (432, 158185), (459, 148880), (510, 133992), (540, 126548), (612, 111660), (680, 100494), (720, 94911), (765, 89328), (816, 83745), (918, 74440), (1020, 66996), (1080, 63274), (1224, 55830), (1360, 50247), (1530, 44664), (1836, 37220), (1861, 36720), (2040, 33498), (2160, 31637), (2295, 29776), (2448, 27915), (3060, 22332), (3672, 18610), (3722, 18360), (4080, 16749), (4590, 14888), (5583, 12240), (6120, 11166), (7344, 9305), (7444, 9180)]