20921424120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1723}}^1\times {\mathrm{11243}}^1$

素因数の和:12986

約数の個数: 128

約数和(自身を含む): 69784761600

約数和(自身を除く): 48863337480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1723, 3446, 5169, 6892, 8615, 10338, 11243, 13784, 15507, 17230, 20676, 22486, 25845, 31014, 33729, 34460, 41352, 44972, 46521, 51690, 56215, 62028, 67458, 68920, 77535, 89944, 93042, 101187, 103380, 112430, 124056, 134916, 155070, 168645, 186084, 202374, 206760, 224860, 232605, 269832, 303561, 310140, 337290, 372168, 404748, 449720, 465210, 505935, 607122, 620280, 674580, 809496, 930420, 1011870, 1214244, 1349160, 1517805, 1860840, 2023740, 2428488, 3035610, 4047480, 6071220, 12142440, 19371689, 38743378, 58115067, 77486756, 96858445, 116230134, 154973512, 174345201, 193716890, 232460268, 290575335, 348690402, 387433780, 464920536, 523035603, 581150670, 697380804, 774867560, 871726005, 1046071206, 1162301340, 1394761608, 1743452010, 2092142412, 2324602680, 2615178015, 3486904020, 4184284824, 5230356030, 6973808040, 10460712060, 20921424120]

約数ペア:

[(1, 20921424120), (2, 10460712060), (3, 6973808040), (4, 5230356030), (5, 4184284824), (6, 3486904020), (8, 2615178015), (9, 2324602680), (10, 2092142412), (12, 1743452010), (15, 1394761608), (18, 1162301340), (20, 1046071206), (24, 871726005), (27, 774867560), (30, 697380804), (36, 581150670), (40, 523035603), (45, 464920536), (54, 387433780), (60, 348690402), (72, 290575335), (90, 232460268), (108, 193716890), (120, 174345201), (135, 154973512), (180, 116230134), (216, 96858445), (270, 77486756), (360, 58115067), (540, 38743378), (1080, 19371689), (1723, 12142440), (3446, 6071220), (5169, 4047480), (6892, 3035610), (8615, 2428488), (10338, 2023740), (11243, 1860840), (13784, 1517805), (15507, 1349160), (17230, 1214244), (20676, 1011870), (22486, 930420), (25845, 809496), (31014, 674580), (33729, 620280), (34460, 607122), (41352, 505935), (44972, 465210), (46521, 449720), (51690, 404748), (56215, 372168), (62028, 337290), (67458, 310140), (68920, 303561), (77535, 269832), (89944, 232605), (93042, 224860), (101187, 206760), (103380, 202374), (112430, 186084), (124056, 168645), (134916, 155070)]