1996781220

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4759}}^1$

素因数の和:4824

約数の個数: 240

約数和(自身を含む): 7353857280

約数和(自身を除く): 5357076060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 37, 42, 45, 54, 60, 63, 70, 74, 81, 84, 90, 105, 108, 111, 126, 135, 140, 148, 162, 180, 185, 189, 210, 222, 252, 259, 270, 315, 324, 333, 370, 378, 405, 420, 444, 518, 540, 555, 567, 630, 666, 740, 756, 777, 810, 945, 999, 1036, 1110, 1134, 1260, 1295, 1332, 1554, 1620, 1665, 1890, 1998, 2220, 2268, 2331, 2590, 2835, 2997, 3108, 3330, 3780, 3885, 3996, 4662, 4759, 4995, 5180, 5670, 5994, 6660, 6993, 7770, 9324, 9518, 9990, 11340, 11655, 11988, 13986, 14277, 14985, 15540, 19036, 19980, 20979, 23310, 23795, 27972, 28554, 29970, 33313, 34965, 41958, 42831, 46620, 47590, 57108, 59940, 66626, 69930, 71385, 83916, 85662, 95180, 99939, 104895, 128493, 133252, 139860, 142770, 166565, 171324, 176083, 199878, 209790, 214155, 256986, 285540, 299817, 333130, 352166, 385479, 399756, 419580, 428310, 499695, 513972, 528249, 599634, 642465, 666260, 704332, 770958, 856620, 880415, 899451, 999390, 1056498, 1199268, 1232581, 1284930, 1499085, 1541916, 1584747, 1760830, 1798902, 1927395, 1998780, 2112996, 2465162, 2569860, 2641245, 2698353, 2998170, 3169494, 3521660, 3597804, 3697743, 3854790, 4497255, 4754241, 4930324, 5282490, 5396706, 5996340, 6162905, 6338988, 7395486, 7709580, 7923735, 8994510, 9508482, 10564980, 10793412, 11093229, 12325810, 13491765, 14262723, 14790972, 15847470, 17989020, 18488715, 19016964, 22186458, 23771205, 24651620, 26983530, 28525446, 31694940, 33279687, 36977430, 44372916, 47542410, 53967060, 55466145, 57050892, 66559374, 71313615, 73954860, 95084820, 99839061, 110932290, 133118748, 142627230, 166398435, 199678122, 221864580, 285254460, 332796870, 399356244, 499195305, 665593740, 998390610, 1996781220]

約数ペア:

[(1, 1996781220), (2, 998390610), (3, 665593740), (4, 499195305), (5, 399356244), (6, 332796870), (7, 285254460), (9, 221864580), (10, 199678122), (12, 166398435), (14, 142627230), (15, 133118748), (18, 110932290), (20, 99839061), (21, 95084820), (27, 73954860), (28, 71313615), (30, 66559374), (35, 57050892), (36, 55466145), (37, 53967060), (42, 47542410), (45, 44372916), (54, 36977430), (60, 33279687), (63, 31694940), (70, 28525446), (74, 26983530), (81, 24651620), (84, 23771205), (90, 22186458), (105, 19016964), (108, 18488715), (111, 17989020), (126, 15847470), (135, 14790972), (140, 14262723), (148, 13491765), (162, 12325810), (180, 11093229), (185, 10793412), (189, 10564980), (210, 9508482), (222, 8994510), (252, 7923735), (259, 7709580), (270, 7395486), (315, 6338988), (324, 6162905), (333, 5996340), (370, 5396706), (378, 5282490), (405, 4930324), (420, 4754241), (444, 4497255), (518, 3854790), (540, 3697743), (555, 3597804), (567, 3521660), (630, 3169494), (666, 2998170), (740, 2698353), (756, 2641245), (777, 2569860), (810, 2465162), (945, 2112996), (999, 1998780), (1036, 1927395), (1110, 1798902), (1134, 1760830), (1260, 1584747), (1295, 1541916), (1332, 1499085), (1554, 1284930), (1620, 1232581), (1665, 1199268), (1890, 1056498), (1998, 999390), (2220, 899451), (2268, 880415), (2331, 856620), (2590, 770958), (2835, 704332), (2997, 666260), (3108, 642465), (3330, 599634), (3780, 528249), (3885, 513972), (3996, 499695), (4662, 428310), (4759, 419580), (4995, 399756), (5180, 385479), (5670, 352166), (5994, 333130), (6660, 299817), (6993, 285540), (7770, 256986), (9324, 214155), (9518, 209790), (9990, 199878), (11340, 176083), (11655, 171324), (11988, 166565), (13986, 142770), (14277, 139860), (14985, 133252), (15540, 128493), (19036, 104895), (19980, 99939), (20979, 95180), (23310, 85662), (23795, 83916), (27972, 71385), (28554, 69930), (29970, 66626), (33313, 59940), (34965, 57108), (41958, 47590), (42831, 46620)]