980209120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^2$

素因数の和:405

約数の個数: 144

約数和(自身を含む): 2689730064

約数和(自身を除く): 1709520944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 181, 187, 220, 272, 340, 352, 362, 374, 440, 544, 680, 724, 748, 880, 905, 935, 1360, 1448, 1496, 1760, 1810, 1870, 1991, 2720, 2896, 2992, 3077, 3620, 3740, 3982, 5792, 5984, 6154, 7240, 7480, 7964, 9955, 12308, 14480, 14960, 15385, 15928, 19910, 24616, 28960, 29920, 30770, 31856, 32761, 33847, 39820, 49232, 61540, 63712, 65522, 67694, 79640, 98464, 123080, 131044, 135388, 159280, 163805, 169235, 246160, 262088, 270776, 318560, 327610, 338470, 360371, 492320, 524176, 541552, 556937, 655220, 676940, 720742, 1048352, 1083104, 1113874, 1310440, 1353880, 1441484, 1801855, 2227748, 2620880, 2707760, 2784685, 2882968, 3603710, 4455496, 5241760, 5415520, 5569370, 5765936, 6126307, 7207420, 8910992, 11138740, 11531872, 12252614, 14414840, 17821984, 22277480, 24505228, 28829680, 30631535, 44554960, 49010456, 57659360, 61263070, 89109920, 98020912, 122526140, 196041824, 245052280, 490104560, 980209120]

約数ペア:

[(1, 980209120), (2, 490104560), (4, 245052280), (5, 196041824), (8, 122526140), (10, 98020912), (11, 89109920), (16, 61263070), (17, 57659360), (20, 49010456), (22, 44554960), (32, 30631535), (34, 28829680), (40, 24505228), (44, 22277480), (55, 17821984), (68, 14414840), (80, 12252614), (85, 11531872), (88, 11138740), (110, 8910992), (136, 7207420), (160, 6126307), (170, 5765936), (176, 5569370), (181, 5415520), (187, 5241760), (220, 4455496), (272, 3603710), (340, 2882968), (352, 2784685), (362, 2707760), (374, 2620880), (440, 2227748), (544, 1801855), (680, 1441484), (724, 1353880), (748, 1310440), (880, 1113874), (905, 1083104), (935, 1048352), (1360, 720742), (1448, 676940), (1496, 655220), (1760, 556937), (1810, 541552), (1870, 524176), (1991, 492320), (2720, 360371), (2896, 338470), (2992, 327610), (3077, 318560), (3620, 270776), (3740, 262088), (3982, 246160), (5792, 169235), (5984, 163805), (6154, 159280), (7240, 135388), (7480, 131044), (7964, 123080), (9955, 98464), (12308, 79640), (14480, 67694), (14960, 65522), (15385, 63712), (15928, 61540), (19910, 49232), (24616, 39820), (28960, 33847), (29920, 32761), (30770, 31856)]