2219908480

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{631}}^1$

素因数の和:912

約数の個数: 128

約数和(自身を含む): 5569689600

約数和(自身を除く): 3349781120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 239, 320, 368, 460, 478, 631, 640, 736, 920, 956, 1195, 1262, 1472, 1840, 1912, 2390, 2524, 2944, 3155, 3680, 3824, 4780, 5048, 5497, 6310, 7360, 7648, 9560, 10096, 10994, 12620, 14513, 14720, 15296, 19120, 20192, 21988, 25240, 27485, 29026, 30592, 38240, 40384, 43976, 50480, 54970, 58052, 72565, 76480, 80768, 87952, 100960, 109940, 116104, 145130, 150809, 152960, 175904, 201920, 219880, 232208, 290260, 301618, 351808, 403840, 439760, 464416, 580520, 603236, 703616, 754045, 879520, 928832, 1161040, 1206472, 1508090, 1759040, 1857664, 2322080, 2412944, 3016180, 3468607, 3518080, 4644160, 4825888, 6032360, 6937214, 9288320, 9651776, 12064720, 13874428, 17343035, 19303552, 24129440, 27748856, 34686070, 48258880, 55497712, 69372140, 96517760, 110995424, 138744280, 221990848, 277488560, 443981696, 554977120, 1109954240, 2219908480]

約数ペア:

[(1, 2219908480), (2, 1109954240), (4, 554977120), (5, 443981696), (8, 277488560), (10, 221990848), (16, 138744280), (20, 110995424), (23, 96517760), (32, 69372140), (40, 55497712), (46, 48258880), (64, 34686070), (80, 27748856), (92, 24129440), (115, 19303552), (128, 17343035), (160, 13874428), (184, 12064720), (230, 9651776), (239, 9288320), (320, 6937214), (368, 6032360), (460, 4825888), (478, 4644160), (631, 3518080), (640, 3468607), (736, 3016180), (920, 2412944), (956, 2322080), (1195, 1857664), (1262, 1759040), (1472, 1508090), (1840, 1206472), (1912, 1161040), (2390, 928832), (2524, 879520), (2944, 754045), (3155, 703616), (3680, 603236), (3824, 580520), (4780, 464416), (5048, 439760), (5497, 403840), (6310, 351808), (7360, 301618), (7648, 290260), (9560, 232208), (10096, 219880), (10994, 201920), (12620, 175904), (14513, 152960), (14720, 150809), (15296, 145130), (19120, 116104), (20192, 109940), (21988, 100960), (25240, 87952), (27485, 80768), (29026, 76480), (30592, 72565), (38240, 58052), (40384, 54970), (43976, 50480)]