128371488

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 144

約数和(自身を含む): 409719744

約数和(自身を除く): 281348256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 119, 136, 168, 204, 224, 238, 272, 289, 336, 357, 408, 476, 544, 578, 661, 672, 714, 816, 867, 952, 1156, 1322, 1428, 1632, 1734, 1904, 1983, 2023, 2312, 2644, 2856, 3468, 3808, 3966, 4046, 4624, 4627, 5288, 5712, 6069, 6936, 7932, 8092, 9248, 9254, 10576, 11237, 11424, 12138, 13872, 13881, 15864, 16184, 18508, 21152, 22474, 24276, 27744, 27762, 31728, 32368, 33711, 37016, 44948, 48552, 55524, 63456, 64736, 67422, 74032, 78659, 89896, 97104, 111048, 134844, 148064, 157318, 179792, 191029, 194208, 222096, 235977, 269688, 314636, 359584, 382058, 444192, 471954, 539376, 573087, 629272, 764116, 943908, 1078752, 1146174, 1258544, 1337203, 1528232, 1887816, 2292348, 2517088, 2674406, 3056464, 3775632, 4011609, 4584696, 5348812, 6112928, 7551264, 8023218, 9169392, 10697624, 16046436, 18338784, 21395248, 32092872, 42790496, 64185744, 128371488]

約数ペア:

[(1, 128371488), (2, 64185744), (3, 42790496), (4, 32092872), (6, 21395248), (7, 18338784), (8, 16046436), (12, 10697624), (14, 9169392), (16, 8023218), (17, 7551264), (21, 6112928), (24, 5348812), (28, 4584696), (32, 4011609), (34, 3775632), (42, 3056464), (48, 2674406), (51, 2517088), (56, 2292348), (68, 1887816), (84, 1528232), (96, 1337203), (102, 1258544), (112, 1146174), (119, 1078752), (136, 943908), (168, 764116), (204, 629272), (224, 573087), (238, 539376), (272, 471954), (289, 444192), (336, 382058), (357, 359584), (408, 314636), (476, 269688), (544, 235977), (578, 222096), (661, 194208), (672, 191029), (714, 179792), (816, 157318), (867, 148064), (952, 134844), (1156, 111048), (1322, 97104), (1428, 89896), (1632, 78659), (1734, 74032), (1904, 67422), (1983, 64736), (2023, 63456), (2312, 55524), (2644, 48552), (2856, 44948), (3468, 37016), (3808, 33711), (3966, 32368), (4046, 31728), (4624, 27762), (4627, 27744), (5288, 24276), (5712, 22474), (6069, 21152), (6936, 18508), (7932, 16184), (8092, 15864), (9248, 13881), (9254, 13872), (10576, 12138), (11237, 11424)]