128697480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1237}}^1$

素因数の和:1288

約数の個数: 144

約数和(自身を含む): 444677220

約数和(自身を除く): 315979740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 289, 306, 340, 360, 408, 510, 578, 612, 680, 765, 867, 1020, 1156, 1224, 1237, 1445, 1530, 1734, 2040, 2312, 2474, 2601, 2890, 3060, 3468, 3711, 4335, 4948, 5202, 5780, 6120, 6185, 6936, 7422, 8670, 9896, 10404, 11133, 11560, 12370, 13005, 14844, 17340, 18555, 20808, 21029, 22266, 24740, 26010, 29688, 34680, 37110, 42058, 44532, 49480, 52020, 55665, 63087, 74220, 84116, 89064, 104040, 105145, 111330, 126174, 148440, 168232, 189261, 210290, 222660, 252348, 315435, 357493, 378522, 420580, 445320, 504696, 630870, 714986, 757044, 841160, 946305, 1072479, 1261740, 1429972, 1514088, 1787465, 1892610, 2144958, 2523480, 2859944, 3217437, 3574930, 3785220, 4289916, 5362395, 6434874, 7149860, 7570440, 8579832, 10724790, 12869748, 14299720, 16087185, 21449580, 25739496, 32174370, 42899160, 64348740, 128697480]

約数ペア:

[(1, 128697480), (2, 64348740), (3, 42899160), (4, 32174370), (5, 25739496), (6, 21449580), (8, 16087185), (9, 14299720), (10, 12869748), (12, 10724790), (15, 8579832), (17, 7570440), (18, 7149860), (20, 6434874), (24, 5362395), (30, 4289916), (34, 3785220), (36, 3574930), (40, 3217437), (45, 2859944), (51, 2523480), (60, 2144958), (68, 1892610), (72, 1787465), (85, 1514088), (90, 1429972), (102, 1261740), (120, 1072479), (136, 946305), (153, 841160), (170, 757044), (180, 714986), (204, 630870), (255, 504696), (289, 445320), (306, 420580), (340, 378522), (360, 357493), (408, 315435), (510, 252348), (578, 222660), (612, 210290), (680, 189261), (765, 168232), (867, 148440), (1020, 126174), (1156, 111330), (1224, 105145), (1237, 104040), (1445, 89064), (1530, 84116), (1734, 74220), (2040, 63087), (2312, 55665), (2474, 52020), (2601, 49480), (2890, 44532), (3060, 42058), (3468, 37110), (3711, 34680), (4335, 29688), (4948, 26010), (5202, 24740), (5780, 22266), (6120, 21029), (6185, 20808), (6936, 18555), (7422, 17340), (8670, 14844), (9896, 13005), (10404, 12370), (11133, 11560)]