256528224

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:593

約数の個数: 144

約数和(自身を含む): 767370240

約数和(自身を除く): 510842016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 59, 62, 72, 93, 96, 118, 124, 144, 177, 186, 236, 248, 279, 288, 354, 372, 472, 487, 496, 531, 558, 708, 744, 944, 974, 992, 1062, 1116, 1416, 1461, 1488, 1829, 1888, 1948, 2124, 2232, 2832, 2922, 2976, 3658, 3896, 4248, 4383, 4464, 5487, 5664, 5844, 7316, 7792, 8496, 8766, 8928, 10974, 11688, 14632, 15097, 15584, 16461, 16992, 17532, 21948, 23376, 28733, 29264, 30194, 32922, 35064, 43896, 45291, 46752, 57466, 58528, 60388, 65844, 70128, 86199, 87792, 90582, 114932, 120776, 131688, 135873, 140256, 172398, 175584, 181164, 229864, 241552, 258597, 263376, 271746, 344796, 362328, 459728, 483104, 517194, 526752, 543492, 689592, 724656, 890723, 919456, 1034388, 1086984, 1379184, 1449312, 1781446, 2068776, 2173968, 2672169, 2758368, 3562892, 4137552, 4347936, 5344338, 7125784, 8016507, 8275104, 10688676, 14251568, 16033014, 21377352, 28503136, 32066028, 42754704, 64132056, 85509408, 128264112, 256528224]

約数ペア:

[(1, 256528224), (2, 128264112), (3, 85509408), (4, 64132056), (6, 42754704), (8, 32066028), (9, 28503136), (12, 21377352), (16, 16033014), (18, 14251568), (24, 10688676), (31, 8275104), (32, 8016507), (36, 7125784), (48, 5344338), (59, 4347936), (62, 4137552), (72, 3562892), (93, 2758368), (96, 2672169), (118, 2173968), (124, 2068776), (144, 1781446), (177, 1449312), (186, 1379184), (236, 1086984), (248, 1034388), (279, 919456), (288, 890723), (354, 724656), (372, 689592), (472, 543492), (487, 526752), (496, 517194), (531, 483104), (558, 459728), (708, 362328), (744, 344796), (944, 271746), (974, 263376), (992, 258597), (1062, 241552), (1116, 229864), (1416, 181164), (1461, 175584), (1488, 172398), (1829, 140256), (1888, 135873), (1948, 131688), (2124, 120776), (2232, 114932), (2832, 90582), (2922, 87792), (2976, 86199), (3658, 70128), (3896, 65844), (4248, 60388), (4383, 58528), (4464, 57466), (5487, 46752), (5664, 45291), (5844, 43896), (7316, 35064), (7792, 32922), (8496, 30194), (8766, 29264), (8928, 28733), (10974, 23376), (11688, 21948), (14632, 17532), (15097, 16992), (15584, 16461)]