240872240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1499

約数の個数: 120

約数和(自身を含む): 667077840

約数和(自身を除く): 426205600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 172, 196, 215, 245, 280, 301, 344, 392, 430, 490, 560, 602, 688, 784, 860, 980, 1204, 1429, 1505, 1720, 1960, 2107, 2408, 2858, 3010, 3440, 3920, 4214, 4816, 5716, 6020, 7145, 8428, 10003, 10535, 11432, 12040, 14290, 16856, 20006, 21070, 22864, 24080, 28580, 33712, 40012, 42140, 50015, 57160, 61447, 70021, 80024, 84280, 100030, 114320, 122894, 140042, 160048, 168560, 200060, 245788, 280084, 307235, 350105, 400120, 430129, 491576, 560168, 614470, 700210, 800240, 860258, 983152, 1120336, 1228940, 1400420, 1720516, 2150645, 2457880, 2800840, 3010903, 3441032, 4301290, 4915760, 5601680, 6021806, 6882064, 8602580, 12043612, 15054515, 17205160, 24087224, 30109030, 34410320, 48174448, 60218060, 120436120, 240872240]

約数ペア:

[(1, 240872240), (2, 120436120), (4, 60218060), (5, 48174448), (7, 34410320), (8, 30109030), (10, 24087224), (14, 17205160), (16, 15054515), (20, 12043612), (28, 8602580), (35, 6882064), (40, 6021806), (43, 5601680), (49, 4915760), (56, 4301290), (70, 3441032), (80, 3010903), (86, 2800840), (98, 2457880), (112, 2150645), (140, 1720516), (172, 1400420), (196, 1228940), (215, 1120336), (245, 983152), (280, 860258), (301, 800240), (344, 700210), (392, 614470), (430, 560168), (490, 491576), (560, 430129), (602, 400120), (688, 350105), (784, 307235), (860, 280084), (980, 245788), (1204, 200060), (1429, 168560), (1505, 160048), (1720, 140042), (1960, 122894), (2107, 114320), (2408, 100030), (2858, 84280), (3010, 80024), (3440, 70021), (3920, 61447), (4214, 57160), (4816, 50015), (5716, 42140), (6020, 40012), (7145, 33712), (8428, 28580), (10003, 24080), (10535, 22864), (11432, 21070), (12040, 20006), (14290, 16856)]