1681756960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:483

約数の個数: 192

約数和(自身を含む): 4572288000

約数和(自身を除く): 2890531040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 199, 208, 221, 239, 260, 272, 340, 398, 416, 442, 478, 520, 544, 680, 796, 884, 956, 995, 1040, 1105, 1195, 1360, 1592, 1768, 1912, 1990, 2080, 2210, 2390, 2587, 2720, 3107, 3184, 3383, 3536, 3824, 3980, 4063, 4420, 4780, 5174, 6214, 6368, 6766, 7072, 7648, 7960, 8126, 8840, 9560, 10348, 12428, 12935, 13532, 15535, 15920, 16252, 16915, 17680, 19120, 20315, 20696, 24856, 25870, 27064, 31070, 31840, 32504, 33830, 35360, 38240, 40630, 41392, 43979, 47561, 49712, 51740, 52819, 54128, 62140, 65008, 67660, 81260, 82784, 87958, 95122, 99424, 103480, 105638, 108256, 124280, 130016, 135320, 162520, 175916, 190244, 206960, 211276, 219895, 237805, 248560, 264095, 270640, 325040, 351832, 380488, 413920, 422552, 439790, 475610, 497120, 528190, 541280, 618293, 650080, 703664, 760976, 808537, 845104, 879580, 951220, 1056380, 1236586, 1407328, 1521952, 1617074, 1690208, 1759160, 1902440, 2112760, 2473172, 3091465, 3234148, 3518320, 3804880, 4042685, 4225520, 4946344, 6182930, 6468296, 7036640, 7609760, 8085370, 8451040, 9892688, 10510981, 12365860, 12936592, 16170740, 19785376, 21021962, 24731720, 25873184, 32341480, 42043924, 49463440, 52554905, 64682960, 84087848, 98926880, 105109810, 129365920, 168175696, 210219620, 336351392, 420439240, 840878480, 1681756960]

約数ペア:

[(1, 1681756960), (2, 840878480), (4, 420439240), (5, 336351392), (8, 210219620), (10, 168175696), (13, 129365920), (16, 105109810), (17, 98926880), (20, 84087848), (26, 64682960), (32, 52554905), (34, 49463440), (40, 42043924), (52, 32341480), (65, 25873184), (68, 24731720), (80, 21021962), (85, 19785376), (104, 16170740), (130, 12936592), (136, 12365860), (160, 10510981), (170, 9892688), (199, 8451040), (208, 8085370), (221, 7609760), (239, 7036640), (260, 6468296), (272, 6182930), (340, 4946344), (398, 4225520), (416, 4042685), (442, 3804880), (478, 3518320), (520, 3234148), (544, 3091465), (680, 2473172), (796, 2112760), (884, 1902440), (956, 1759160), (995, 1690208), (1040, 1617074), (1105, 1521952), (1195, 1407328), (1360, 1236586), (1592, 1056380), (1768, 951220), (1912, 879580), (1990, 845104), (2080, 808537), (2210, 760976), (2390, 703664), (2587, 650080), (2720, 618293), (3107, 541280), (3184, 528190), (3383, 497120), (3536, 475610), (3824, 439790), (3980, 422552), (4063, 413920), (4420, 380488), (4780, 351832), (5174, 325040), (6214, 270640), (6368, 264095), (6766, 248560), (7072, 237805), (7648, 219895), (7960, 211276), (8126, 206960), (8840, 190244), (9560, 175916), (10348, 162520), (12428, 135320), (12935, 130016), (13532, 124280), (15535, 108256), (15920, 105638), (16252, 103480), (16915, 99424), (17680, 95122), (19120, 87958), (20315, 82784), (20696, 81260), (24856, 67660), (25870, 65008), (27064, 62140), (31070, 54128), (31840, 52819), (32504, 51740), (33830, 49712), (35360, 47561), (38240, 43979), (40630, 41392)]