263485872

素因数分解:

$2^4\times 3^5\times {\mathrm{13}}^2\times {\mathrm{401}}^1$

素因数の和:450

約数の個数: 180

約数和(自身を含む): 830118744

約数和(自身を除く): 566632872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 169, 208, 216, 234, 243, 312, 324, 338, 351, 401, 432, 468, 486, 507, 624, 648, 676, 702, 802, 936, 972, 1014, 1053, 1203, 1296, 1352, 1404, 1521, 1604, 1872, 1944, 2028, 2106, 2406, 2704, 2808, 3042, 3159, 3208, 3609, 3888, 4056, 4212, 4563, 4812, 5213, 5616, 6084, 6318, 6416, 7218, 8112, 8424, 9126, 9624, 10426, 10827, 12168, 12636, 13689, 14436, 15639, 16848, 18252, 19248, 20852, 21654, 24336, 25272, 27378, 28872, 31278, 32481, 36504, 41067, 41704, 43308, 46917, 50544, 54756, 57744, 62556, 64962, 67769, 73008, 82134, 83408, 86616, 93834, 97443, 109512, 125112, 129924, 135538, 140751, 164268, 173232, 187668, 194886, 203307, 219024, 250224, 259848, 271076, 281502, 328536, 375336, 389772, 406614, 422253, 519696, 542152, 563004, 609921, 657072, 750672, 779544, 813228, 844506, 1084304, 1126008, 1219842, 1266759, 1559088, 1626456, 1689012, 1829763, 2252016, 2439684, 2533518, 3252912, 3378024, 3659526, 4879368, 5067036, 5489289, 6756048, 7319052, 9758736, 10134072, 10978578, 14638104, 16467867, 20268144, 21957156, 29276208, 32935734, 43914312, 65871468, 87828624, 131742936, 263485872]

約数ペア:

[(1, 263485872), (2, 131742936), (3, 87828624), (4, 65871468), (6, 43914312), (8, 32935734), (9, 29276208), (12, 21957156), (13, 20268144), (16, 16467867), (18, 14638104), (24, 10978578), (26, 10134072), (27, 9758736), (36, 7319052), (39, 6756048), (48, 5489289), (52, 5067036), (54, 4879368), (72, 3659526), (78, 3378024), (81, 3252912), (104, 2533518), (108, 2439684), (117, 2252016), (144, 1829763), (156, 1689012), (162, 1626456), (169, 1559088), (208, 1266759), (216, 1219842), (234, 1126008), (243, 1084304), (312, 844506), (324, 813228), (338, 779544), (351, 750672), (401, 657072), (432, 609921), (468, 563004), (486, 542152), (507, 519696), (624, 422253), (648, 406614), (676, 389772), (702, 375336), (802, 328536), (936, 281502), (972, 271076), (1014, 259848), (1053, 250224), (1203, 219024), (1296, 203307), (1352, 194886), (1404, 187668), (1521, 173232), (1604, 164268), (1872, 140751), (1944, 135538), (2028, 129924), (2106, 125112), (2406, 109512), (2704, 97443), (2808, 93834), (3042, 86616), (3159, 83408), (3208, 82134), (3609, 73008), (3888, 67769), (4056, 64962), (4212, 62556), (4563, 57744), (4812, 54756), (5213, 50544), (5616, 46917), (6084, 43308), (6318, 41704), (6416, 41067), (7218, 36504), (8112, 32481), (8424, 31278), (9126, 28872), (9624, 27378), (10426, 25272), (10827, 24336), (12168, 21654), (12636, 20852), (13689, 19248), (14436, 18252), (15639, 16848)]