197984040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 671742720

約数和(自身を除く): 473758680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 43, 51, 60, 61, 68, 74, 85, 86, 102, 111, 120, 122, 129, 136, 148, 170, 172, 183, 185, 204, 215, 222, 244, 255, 258, 296, 305, 340, 344, 366, 370, 408, 430, 444, 488, 510, 516, 555, 610, 629, 645, 680, 731, 732, 740, 860, 888, 915, 1020, 1032, 1037, 1110, 1220, 1258, 1290, 1462, 1464, 1480, 1591, 1720, 1830, 1887, 2040, 2074, 2193, 2220, 2257, 2440, 2516, 2580, 2623, 2924, 3111, 3145, 3182, 3655, 3660, 3774, 4148, 4386, 4440, 4514, 4773, 5032, 5160, 5185, 5246, 5848, 6222, 6290, 6364, 6771, 7310, 7320, 7548, 7869, 7955, 8296, 8772, 9028, 9435, 9546, 10370, 10492, 10965, 11285, 12444, 12580, 12728, 13115, 13542, 14620, 15096, 15555, 15738, 15910, 17544, 18056, 18870, 19092, 20740, 20984, 21930, 22570, 23865, 24888, 25160, 26230, 27047, 27084, 29240, 31110, 31476, 31820, 33855, 37740, 38184, 38369, 39345, 41480, 43860, 44591, 45140, 47730, 52460, 54094, 54168, 62220, 62952, 63640, 67710, 75480, 76738, 78690, 81141, 87720, 89182, 90280, 95460, 97051, 104920, 108188, 115107, 124440, 133773, 135235, 135420, 153476, 157380, 162282, 178364, 190920, 191845, 194102, 216376, 222955, 230214, 267546, 270470, 270840, 291153, 306952, 314760, 324564, 356728, 383690, 388204, 405705, 445910, 460428, 485255, 535092, 540940, 575535, 582306, 649128, 668865, 767380, 776408, 811410, 891820, 920856, 970510, 1070184, 1081880, 1151070, 1164612, 1337730, 1455765, 1534760, 1622820, 1649867, 1783640, 1941020, 2302140, 2329224, 2675460, 2911530, 3245640, 3299734, 3882040, 4604280, 4949601, 5350920, 5823060, 6599468, 8249335, 9899202, 11646120, 13198936, 16498670, 19798404, 24748005, 32997340, 39596808, 49496010, 65994680, 98992020, 197984040]

約数ペア:

[(1, 197984040), (2, 98992020), (3, 65994680), (4, 49496010), (5, 39596808), (6, 32997340), (8, 24748005), (10, 19798404), (12, 16498670), (15, 13198936), (17, 11646120), (20, 9899202), (24, 8249335), (30, 6599468), (34, 5823060), (37, 5350920), (40, 4949601), (43, 4604280), (51, 3882040), (60, 3299734), (61, 3245640), (68, 2911530), (74, 2675460), (85, 2329224), (86, 2302140), (102, 1941020), (111, 1783640), (120, 1649867), (122, 1622820), (129, 1534760), (136, 1455765), (148, 1337730), (170, 1164612), (172, 1151070), (183, 1081880), (185, 1070184), (204, 970510), (215, 920856), (222, 891820), (244, 811410), (255, 776408), (258, 767380), (296, 668865), (305, 649128), (340, 582306), (344, 575535), (366, 540940), (370, 535092), (408, 485255), (430, 460428), (444, 445910), (488, 405705), (510, 388204), (516, 383690), (555, 356728), (610, 324564), (629, 314760), (645, 306952), (680, 291153), (731, 270840), (732, 270470), (740, 267546), (860, 230214), (888, 222955), (915, 216376), (1020, 194102), (1032, 191845), (1037, 190920), (1110, 178364), (1220, 162282), (1258, 157380), (1290, 153476), (1462, 135420), (1464, 135235), (1480, 133773), (1591, 124440), (1720, 115107), (1830, 108188), (1887, 104920), (2040, 97051), (2074, 95460), (2193, 90280), (2220, 89182), (2257, 87720), (2440, 81141), (2516, 78690), (2580, 76738), (2623, 75480), (2924, 67710), (3111, 63640), (3145, 62952), (3182, 62220), (3655, 54168), (3660, 54094), (3774, 52460), (4148, 47730), (4386, 45140), (4440, 44591), (4514, 43860), (4773, 41480), (5032, 39345), (5160, 38369), (5185, 38184), (5246, 37740), (5848, 33855), (6222, 31820), (6290, 31476), (6364, 31110), (6771, 29240), (7310, 27084), (7320, 27047), (7548, 26230), (7869, 25160), (7955, 24888), (8296, 23865), (8772, 22570), (9028, 21930), (9435, 20984), (9546, 20740), (10370, 19092), (10492, 18870), (10965, 18056), (11285, 17544), (12444, 15910), (12580, 15738), (12728, 15555), (13115, 15096), (13542, 14620)]