128690240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:884

約数の個数: 112

約数和(自身を含む): 355469952

約数和(自身を除く): 226779712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 730, 787, 1022, 1120, 1168, 1460, 1574, 2044, 2240, 2336, 2555, 2920, 3148, 3935, 4088, 4672, 5110, 5509, 5840, 6296, 7870, 8176, 10220, 11018, 11680, 12592, 15740, 16352, 20440, 22036, 23360, 25184, 27545, 31480, 32704, 40880, 44072, 50368, 55090, 57451, 62960, 81760, 88144, 110180, 114902, 125920, 163520, 176288, 220360, 229804, 251840, 287255, 352576, 402157, 440720, 459608, 574510, 804314, 881440, 919216, 1149020, 1608628, 1762880, 1838432, 2010785, 2298040, 3217256, 3676864, 4021570, 4596080, 6434512, 8043140, 9192160, 12869024, 16086280, 18384320, 25738048, 32172560, 64345120, 128690240]

約数ペア:

[(1, 128690240), (2, 64345120), (4, 32172560), (5, 25738048), (7, 18384320), (8, 16086280), (10, 12869024), (14, 9192160), (16, 8043140), (20, 6434512), (28, 4596080), (32, 4021570), (35, 3676864), (40, 3217256), (56, 2298040), (64, 2010785), (70, 1838432), (73, 1762880), (80, 1608628), (112, 1149020), (140, 919216), (146, 881440), (160, 804314), (224, 574510), (280, 459608), (292, 440720), (320, 402157), (365, 352576), (448, 287255), (511, 251840), (560, 229804), (584, 220360), (730, 176288), (787, 163520), (1022, 125920), (1120, 114902), (1168, 110180), (1460, 88144), (1574, 81760), (2044, 62960), (2240, 57451), (2336, 55090), (2555, 50368), (2920, 44072), (3148, 40880), (3935, 32704), (4088, 31480), (4672, 27545), (5110, 25184), (5509, 23360), (5840, 22036), (6296, 20440), (7870, 16352), (8176, 15740), (10220, 12592), (11018, 11680)]