1221591456

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:737

約数の個数: 240

約数和(自身を含む): 3875655168

約数和(自身を除く): 2654063712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 31, 32, 36, 46, 48, 54, 62, 69, 72, 81, 92, 93, 96, 108, 124, 138, 144, 162, 184, 186, 207, 216, 248, 276, 279, 288, 324, 368, 372, 414, 432, 496, 552, 558, 621, 648, 661, 713, 736, 744, 828, 837, 864, 992, 1104, 1116, 1242, 1296, 1322, 1426, 1488, 1656, 1674, 1863, 1983, 2139, 2208, 2232, 2484, 2511, 2592, 2644, 2852, 2976, 3312, 3348, 3726, 3966, 4278, 4464, 4968, 5022, 5288, 5704, 5949, 6417, 6624, 6696, 7452, 7932, 8556, 8928, 9936, 10044, 10576, 11408, 11898, 12834, 13392, 14904, 15203, 15864, 17112, 17847, 19251, 19872, 20088, 20491, 21152, 22816, 23796, 25668, 26784, 29808, 30406, 31728, 34224, 35694, 38502, 40176, 40982, 45609, 47592, 51336, 53541, 57753, 59616, 60812, 61473, 63456, 68448, 71388, 77004, 80352, 81964, 91218, 95184, 102672, 107082, 115506, 121624, 122946, 136827, 142776, 154008, 163928, 182436, 184419, 190368, 205344, 214164, 231012, 243248, 245892, 273654, 285552, 308016, 327856, 364872, 368838, 410481, 428328, 462024, 471293, 486496, 491784, 547308, 553257, 571104, 616032, 655712, 729744, 737676, 820962, 856656, 924048, 942586, 983568, 1094616, 1106514, 1231443, 1413879, 1459488, 1475352, 1641924, 1659771, 1713312, 1848096, 1885172, 1967136, 2189232, 2213028, 2462886, 2827758, 2950704, 3283848, 3319542, 3770344, 4241637, 4378464, 4426056, 4925772, 5655516, 5901408, 6567696, 6639084, 7540688, 8483274, 8852112, 9851544, 11311032, 12724911, 13135392, 13278168, 15081376, 16966548, 17704224, 19703088, 22622064, 25449822, 26556336, 33933096, 38174733, 39406176, 45244128, 50899644, 53112672, 67866192, 76349466, 101799288, 135732384, 152698932, 203598576, 305397864, 407197152, 610795728, 1221591456]

約数ペア:

[(1, 1221591456), (2, 610795728), (3, 407197152), (4, 305397864), (6, 203598576), (8, 152698932), (9, 135732384), (12, 101799288), (16, 76349466), (18, 67866192), (23, 53112672), (24, 50899644), (27, 45244128), (31, 39406176), (32, 38174733), (36, 33933096), (46, 26556336), (48, 25449822), (54, 22622064), (62, 19703088), (69, 17704224), (72, 16966548), (81, 15081376), (92, 13278168), (93, 13135392), (96, 12724911), (108, 11311032), (124, 9851544), (138, 8852112), (144, 8483274), (162, 7540688), (184, 6639084), (186, 6567696), (207, 5901408), (216, 5655516), (248, 4925772), (276, 4426056), (279, 4378464), (288, 4241637), (324, 3770344), (368, 3319542), (372, 3283848), (414, 2950704), (432, 2827758), (496, 2462886), (552, 2213028), (558, 2189232), (621, 1967136), (648, 1885172), (661, 1848096), (713, 1713312), (736, 1659771), (744, 1641924), (828, 1475352), (837, 1459488), (864, 1413879), (992, 1231443), (1104, 1106514), (1116, 1094616), (1242, 983568), (1296, 942586), (1322, 924048), (1426, 856656), (1488, 820962), (1656, 737676), (1674, 729744), (1863, 655712), (1983, 616032), (2139, 571104), (2208, 553257), (2232, 547308), (2484, 491784), (2511, 486496), (2592, 471293), (2644, 462024), (2852, 428328), (2976, 410481), (3312, 368838), (3348, 364872), (3726, 327856), (3966, 308016), (4278, 285552), (4464, 273654), (4968, 245892), (5022, 243248), (5288, 231012), (5704, 214164), (5949, 205344), (6417, 190368), (6624, 184419), (6696, 182436), (7452, 163928), (7932, 154008), (8556, 142776), (8928, 136827), (9936, 122946), (10044, 121624), (10576, 115506), (11408, 107082), (11898, 102672), (12834, 95184), (13392, 91218), (14904, 81964), (15203, 80352), (15864, 77004), (17112, 71388), (17847, 68448), (19251, 63456), (19872, 61473), (20088, 60812), (20491, 59616), (21152, 57753), (22816, 53541), (23796, 51336), (25668, 47592), (26784, 45609), (29808, 40982), (30406, 40176), (31728, 38502), (34224, 35694)]