724017040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1993}}^1$

素因数の和:2264

約数の個数: 80

約数和(自身を含む): 1780243200

約数和(自身を除く): 1056226160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 239, 304, 380, 478, 760, 956, 1195, 1520, 1912, 1993, 2390, 3824, 3986, 4541, 4780, 7972, 9082, 9560, 9965, 15944, 18164, 19120, 19930, 22705, 31888, 36328, 37867, 39860, 45410, 72656, 75734, 79720, 90820, 151468, 159440, 181640, 189335, 302936, 363280, 378670, 476327, 605872, 757340, 952654, 1514680, 1905308, 2381635, 3029360, 3810616, 4763270, 7621232, 9050213, 9526540, 18100426, 19053080, 36200852, 38106160, 45251065, 72401704, 90502130, 144803408, 181004260, 362008520, 724017040]

約数ペア:

[(1, 724017040), (2, 362008520), (4, 181004260), (5, 144803408), (8, 90502130), (10, 72401704), (16, 45251065), (19, 38106160), (20, 36200852), (38, 19053080), (40, 18100426), (76, 9526540), (80, 9050213), (95, 7621232), (152, 4763270), (190, 3810616), (239, 3029360), (304, 2381635), (380, 1905308), (478, 1514680), (760, 952654), (956, 757340), (1195, 605872), (1520, 476327), (1912, 378670), (1993, 363280), (2390, 302936), (3824, 189335), (3986, 181640), (4541, 159440), (4780, 151468), (7972, 90820), (9082, 79720), (9560, 75734), (9965, 72656), (15944, 45410), (18164, 39860), (19120, 37867), (19930, 36328), (22705, 31888)]