1789569280

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{683}}^1$

素因数の和:816

約数の個数: 144

約数和(自身を含む): 4529831040

約数和(自身を除く): 2740261760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 230, 256, 320, 356, 368, 445, 460, 640, 683, 712, 736, 890, 920, 1280, 1366, 1424, 1472, 1780, 1840, 2047, 2732, 2848, 2944, 3415, 3560, 3680, 4094, 5464, 5696, 5888, 6830, 7120, 7360, 8188, 10235, 10928, 11392, 13660, 14240, 14720, 15709, 16376, 20470, 21856, 22784, 27320, 28480, 29440, 31418, 32752, 40940, 43712, 54640, 56960, 60787, 62836, 65504, 78545, 81880, 87424, 109280, 113920, 121574, 125672, 131008, 157090, 163760, 174848, 218560, 243148, 251344, 262016, 303935, 314180, 327520, 437120, 486296, 502688, 524032, 607870, 628360, 655040, 874240, 972592, 1005376, 1215740, 1256720, 1310080, 1398101, 1945184, 2010752, 2431480, 2513440, 2620160, 2796202, 3890368, 4021504, 4862960, 5026880, 5592404, 6990505, 7780736, 9725920, 10053760, 11184808, 13981010, 15561472, 19451840, 20107520, 22369616, 27962020, 38903680, 44739232, 55924040, 77807360, 89478464, 111848080, 178956928, 223696160, 357913856, 447392320, 894784640, 1789569280]

約数ペア:

[(1, 1789569280), (2, 894784640), (4, 447392320), (5, 357913856), (8, 223696160), (10, 178956928), (16, 111848080), (20, 89478464), (23, 77807360), (32, 55924040), (40, 44739232), (46, 38903680), (64, 27962020), (80, 22369616), (89, 20107520), (92, 19451840), (115, 15561472), (128, 13981010), (160, 11184808), (178, 10053760), (184, 9725920), (230, 7780736), (256, 6990505), (320, 5592404), (356, 5026880), (368, 4862960), (445, 4021504), (460, 3890368), (640, 2796202), (683, 2620160), (712, 2513440), (736, 2431480), (890, 2010752), (920, 1945184), (1280, 1398101), (1366, 1310080), (1424, 1256720), (1472, 1215740), (1780, 1005376), (1840, 972592), (2047, 874240), (2732, 655040), (2848, 628360), (2944, 607870), (3415, 524032), (3560, 502688), (3680, 486296), (4094, 437120), (5464, 327520), (5696, 314180), (5888, 303935), (6830, 262016), (7120, 251344), (7360, 243148), (8188, 218560), (10235, 174848), (10928, 163760), (11392, 157090), (13660, 131008), (14240, 125672), (14720, 121574), (15709, 113920), (16376, 109280), (20470, 87424), (21856, 81880), (22784, 78545), (27320, 65504), (28480, 62836), (29440, 60787), (31418, 56960), (32752, 54640), (40940, 43712)]