198878580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:766

約数の個数: 144

約数和(自身を含む): 645974784

約数和(自身を除く): 447096204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 103, 153, 170, 180, 204, 206, 255, 306, 309, 340, 412, 510, 515, 612, 618, 631, 765, 927, 1020, 1030, 1236, 1262, 1530, 1545, 1751, 1854, 1893, 2060, 2524, 3060, 3090, 3155, 3502, 3708, 3786, 4635, 5253, 5679, 6180, 6310, 7004, 7572, 8755, 9270, 9465, 10506, 10727, 11358, 12620, 15759, 17510, 18540, 18930, 21012, 21454, 22716, 26265, 28395, 31518, 32181, 35020, 37860, 42908, 52530, 53635, 56790, 63036, 64362, 64993, 78795, 96543, 105060, 107270, 113580, 128724, 129986, 157590, 160905, 193086, 194979, 214540, 259972, 315180, 321810, 324965, 386172, 389958, 482715, 584937, 643620, 649930, 779916, 965430, 974895, 1104881, 1169874, 1299860, 1930860, 1949790, 2209762, 2339748, 2924685, 3314643, 3899580, 4419524, 5524405, 5849370, 6629286, 9943929, 11048810, 11698740, 13258572, 16573215, 19887858, 22097620, 33146430, 39775716, 49719645, 66292860, 99439290, 198878580]

約数ペア:

[(1, 198878580), (2, 99439290), (3, 66292860), (4, 49719645), (5, 39775716), (6, 33146430), (9, 22097620), (10, 19887858), (12, 16573215), (15, 13258572), (17, 11698740), (18, 11048810), (20, 9943929), (30, 6629286), (34, 5849370), (36, 5524405), (45, 4419524), (51, 3899580), (60, 3314643), (68, 2924685), (85, 2339748), (90, 2209762), (102, 1949790), (103, 1930860), (153, 1299860), (170, 1169874), (180, 1104881), (204, 974895), (206, 965430), (255, 779916), (306, 649930), (309, 643620), (340, 584937), (412, 482715), (510, 389958), (515, 386172), (612, 324965), (618, 321810), (631, 315180), (765, 259972), (927, 214540), (1020, 194979), (1030, 193086), (1236, 160905), (1262, 157590), (1530, 129986), (1545, 128724), (1751, 113580), (1854, 107270), (1893, 105060), (2060, 96543), (2524, 78795), (3060, 64993), (3090, 64362), (3155, 63036), (3502, 56790), (3708, 53635), (3786, 52530), (4635, 42908), (5253, 37860), (5679, 35020), (6180, 32181), (6310, 31518), (7004, 28395), (7572, 26265), (8755, 22716), (9270, 21454), (9465, 21012), (10506, 18930), (10727, 18540), (11358, 17510), (12620, 15759)]