7965850880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2003}}^1$

素因数の和:2276

約数の個数: 144

約数和(自身を含む): 20644727040

約数和(自身を除く): 12678876160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 239, 256, 260, 320, 416, 478, 520, 640, 832, 956, 1040, 1195, 1280, 1664, 1912, 2003, 2080, 2390, 3107, 3328, 3824, 4006, 4160, 4780, 6214, 7648, 8012, 8320, 9560, 10015, 12428, 15296, 15535, 16024, 16640, 19120, 20030, 24856, 26039, 30592, 31070, 32048, 38240, 40060, 49712, 52078, 61184, 62140, 64096, 76480, 80120, 99424, 104156, 124280, 128192, 130195, 152960, 160240, 198848, 208312, 248560, 256384, 260390, 305920, 320480, 397696, 416624, 478717, 497120, 512768, 520780, 640960, 795392, 833248, 957434, 994240, 1041560, 1281920, 1666496, 1914868, 1988480, 2083120, 2393585, 2563840, 3332992, 3829736, 3976960, 4166240, 4787170, 6223321, 6665984, 7659472, 8332480, 9574340, 12446642, 15318944, 16664960, 19148680, 24893284, 30637888, 31116605, 33329920, 38297360, 49786568, 61275776, 62233210, 76594720, 99573136, 122551552, 124466420, 153189440, 199146272, 248932840, 306378880, 398292544, 497865680, 612757760, 796585088, 995731360, 1593170176, 1991462720, 3982925440, 7965850880]

約数ペア:

[(1, 7965850880), (2, 3982925440), (4, 1991462720), (5, 1593170176), (8, 995731360), (10, 796585088), (13, 612757760), (16, 497865680), (20, 398292544), (26, 306378880), (32, 248932840), (40, 199146272), (52, 153189440), (64, 124466420), (65, 122551552), (80, 99573136), (104, 76594720), (128, 62233210), (130, 61275776), (160, 49786568), (208, 38297360), (239, 33329920), (256, 31116605), (260, 30637888), (320, 24893284), (416, 19148680), (478, 16664960), (520, 15318944), (640, 12446642), (832, 9574340), (956, 8332480), (1040, 7659472), (1195, 6665984), (1280, 6223321), (1664, 4787170), (1912, 4166240), (2003, 3976960), (2080, 3829736), (2390, 3332992), (3107, 2563840), (3328, 2393585), (3824, 2083120), (4006, 1988480), (4160, 1914868), (4780, 1666496), (6214, 1281920), (7648, 1041560), (8012, 994240), (8320, 957434), (9560, 833248), (10015, 795392), (12428, 640960), (15296, 520780), (15535, 512768), (16024, 497120), (16640, 478717), (19120, 416624), (20030, 397696), (24856, 320480), (26039, 305920), (30592, 260390), (31070, 256384), (32048, 248560), (38240, 208312), (40060, 198848), (49712, 160240), (52078, 152960), (61184, 130195), (62140, 128192), (64096, 124280), (76480, 104156), (80120, 99424)]