128740608

素因数分解:

$2^8\times 3^2\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:880

約数の個数: 108

約数和(自身を含む): 376897248

約数和(自身を除く): 248156640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 192, 213, 256, 284, 288, 384, 426, 568, 576, 639, 768, 787, 852, 1136, 1152, 1278, 1574, 1704, 2272, 2304, 2361, 2556, 3148, 3408, 4544, 4722, 5112, 6296, 6816, 7083, 9088, 9444, 10224, 12592, 13632, 14166, 18176, 18888, 20448, 25184, 27264, 28332, 37776, 40896, 50368, 54528, 55877, 56664, 75552, 81792, 100736, 111754, 113328, 151104, 163584, 167631, 201472, 223508, 226656, 302208, 335262, 447016, 453312, 502893, 604416, 670524, 894032, 906624, 1005786, 1341048, 1788064, 1813248, 2011572, 2682096, 3576128, 4023144, 5364192, 7152256, 8046288, 10728384, 14304512, 16092576, 21456768, 32185152, 42913536, 64370304, 128740608]

約数ペア:

[(1, 128740608), (2, 64370304), (3, 42913536), (4, 32185152), (6, 21456768), (8, 16092576), (9, 14304512), (12, 10728384), (16, 8046288), (18, 7152256), (24, 5364192), (32, 4023144), (36, 3576128), (48, 2682096), (64, 2011572), (71, 1813248), (72, 1788064), (96, 1341048), (128, 1005786), (142, 906624), (144, 894032), (192, 670524), (213, 604416), (256, 502893), (284, 453312), (288, 447016), (384, 335262), (426, 302208), (568, 226656), (576, 223508), (639, 201472), (768, 167631), (787, 163584), (852, 151104), (1136, 113328), (1152, 111754), (1278, 100736), (1574, 81792), (1704, 75552), (2272, 56664), (2304, 55877), (2361, 54528), (2556, 50368), (3148, 40896), (3408, 37776), (4544, 28332), (4722, 27264), (5112, 25184), (6296, 20448), (6816, 18888), (7083, 18176), (9088, 14166), (9444, 13632), (10224, 12592)]