1280209536

素因数分解:

$2^7\times 3^5\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:629

約数の個数: 192

約数和(自身を含む): 3876163200

約数和(自身を除く): 2595953664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 79, 81, 96, 108, 128, 144, 158, 162, 192, 216, 237, 243, 288, 316, 324, 384, 432, 474, 486, 521, 576, 632, 648, 711, 864, 948, 972, 1042, 1152, 1264, 1296, 1422, 1563, 1728, 1896, 1944, 2084, 2133, 2528, 2592, 2844, 3126, 3456, 3792, 3888, 4168, 4266, 4689, 5056, 5184, 5688, 6252, 6399, 7584, 7776, 8336, 8532, 9378, 10112, 10368, 11376, 12504, 12798, 14067, 15168, 15552, 16672, 17064, 18756, 19197, 22752, 25008, 25596, 28134, 30336, 31104, 33344, 34128, 37512, 38394, 41159, 42201, 45504, 50016, 51192, 56268, 66688, 68256, 75024, 76788, 82318, 84402, 91008, 100032, 102384, 112536, 123477, 126603, 136512, 150048, 153576, 164636, 168804, 200064, 204768, 225072, 246954, 253206, 273024, 300096, 307152, 329272, 337608, 370431, 409536, 450144, 493908, 506412, 600192, 614304, 658544, 675216, 740862, 819072, 900288, 987816, 1012824, 1111293, 1228608, 1317088, 1350432, 1481724, 1800576, 1975632, 2025648, 2222586, 2457216, 2634176, 2700864, 2963448, 3333879, 3951264, 4051296, 4445172, 5268352, 5401728, 5926896, 6667758, 7902528, 8102592, 8890344, 10001637, 11853792, 13335516, 15805056, 16205184, 17780688, 20003274, 23707584, 26671032, 35561376, 40006548, 47415168, 53342064, 71122752, 80013096, 106684128, 142245504, 160026192, 213368256, 320052384, 426736512, 640104768, 1280209536]

約数ペア:

[(1, 1280209536), (2, 640104768), (3, 426736512), (4, 320052384), (6, 213368256), (8, 160026192), (9, 142245504), (12, 106684128), (16, 80013096), (18, 71122752), (24, 53342064), (27, 47415168), (32, 40006548), (36, 35561376), (48, 26671032), (54, 23707584), (64, 20003274), (72, 17780688), (79, 16205184), (81, 15805056), (96, 13335516), (108, 11853792), (128, 10001637), (144, 8890344), (158, 8102592), (162, 7902528), (192, 6667758), (216, 5926896), (237, 5401728), (243, 5268352), (288, 4445172), (316, 4051296), (324, 3951264), (384, 3333879), (432, 2963448), (474, 2700864), (486, 2634176), (521, 2457216), (576, 2222586), (632, 2025648), (648, 1975632), (711, 1800576), (864, 1481724), (948, 1350432), (972, 1317088), (1042, 1228608), (1152, 1111293), (1264, 1012824), (1296, 987816), (1422, 900288), (1563, 819072), (1728, 740862), (1896, 675216), (1944, 658544), (2084, 614304), (2133, 600192), (2528, 506412), (2592, 493908), (2844, 450144), (3126, 409536), (3456, 370431), (3792, 337608), (3888, 329272), (4168, 307152), (4266, 300096), (4689, 273024), (5056, 253206), (5184, 246954), (5688, 225072), (6252, 204768), (6399, 200064), (7584, 168804), (7776, 164636), (8336, 153576), (8532, 150048), (9378, 136512), (10112, 126603), (10368, 123477), (11376, 112536), (12504, 102384), (12798, 100032), (14067, 91008), (15168, 84402), (15552, 82318), (16672, 76788), (17064, 75024), (18756, 68256), (19197, 66688), (22752, 56268), (25008, 51192), (25596, 50016), (28134, 45504), (30336, 42201), (31104, 41159), (33344, 38394), (34128, 37512)]