81826937840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1\times {\mathrm{709}}^1$

素因数の和:1195

約数の個数: 160

約数和(自身を含む): 198533721600

約数和(自身を除く): 116706783760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 173, 248, 269, 310, 346, 496, 538, 620, 692, 709, 865, 1076, 1240, 1345, 1384, 1418, 1730, 2152, 2480, 2690, 2768, 2836, 3460, 3545, 4304, 5363, 5380, 5672, 6920, 7090, 8339, 10726, 10760, 11344, 13840, 14180, 16678, 21452, 21520, 21979, 26815, 28360, 33356, 41695, 42904, 43958, 46537, 53630, 56720, 66712, 83390, 85808, 87916, 93074, 107260, 109895, 122657, 133424, 166780, 175832, 186148, 190721, 214520, 219790, 232685, 245314, 333560, 351664, 372296, 381442, 429040, 439580, 465370, 490628, 613285, 667120, 744592, 762884, 879160, 930740, 953605, 981256, 1226570, 1442647, 1525768, 1758320, 1861480, 1907210, 1962512, 2453140, 2885294, 3051536, 3722960, 3802367, 3814420, 4906280, 5770588, 5912351, 7213235, 7604734, 7628840, 9812560, 11541176, 11824702, 14426470, 15209468, 15257680, 19011835, 23082352, 23649404, 28852940, 29561755, 30418936, 32994733, 38023670, 47298808, 57705880, 59123510, 60837872, 65989466, 76047340, 94597616, 115411760, 118247020, 131978932, 152094680, 164973665, 236494040, 263957864, 304189360, 329947330, 472988080, 527915728, 659894660, 1022836723, 1319789320, 2045673446, 2639578640, 4091346892, 5114183615, 8182693784, 10228367230, 16365387568, 20456734460, 40913468920, 81826937840]

約数ペア:

[(1, 81826937840), (2, 40913468920), (4, 20456734460), (5, 16365387568), (8, 10228367230), (10, 8182693784), (16, 5114183615), (20, 4091346892), (31, 2639578640), (40, 2045673446), (62, 1319789320), (80, 1022836723), (124, 659894660), (155, 527915728), (173, 472988080), (248, 329947330), (269, 304189360), (310, 263957864), (346, 236494040), (496, 164973665), (538, 152094680), (620, 131978932), (692, 118247020), (709, 115411760), (865, 94597616), (1076, 76047340), (1240, 65989466), (1345, 60837872), (1384, 59123510), (1418, 57705880), (1730, 47298808), (2152, 38023670), (2480, 32994733), (2690, 30418936), (2768, 29561755), (2836, 28852940), (3460, 23649404), (3545, 23082352), (4304, 19011835), (5363, 15257680), (5380, 15209468), (5672, 14426470), (6920, 11824702), (7090, 11541176), (8339, 9812560), (10726, 7628840), (10760, 7604734), (11344, 7213235), (13840, 5912351), (14180, 5770588), (16678, 4906280), (21452, 3814420), (21520, 3802367), (21979, 3722960), (26815, 3051536), (28360, 2885294), (33356, 2453140), (41695, 1962512), (42904, 1907210), (43958, 1861480), (46537, 1758320), (53630, 1525768), (56720, 1442647), (66712, 1226570), (83390, 981256), (85808, 953605), (87916, 930740), (93074, 879160), (107260, 762884), (109895, 744592), (122657, 667120), (133424, 613285), (166780, 490628), (175832, 465370), (186148, 439580), (190721, 429040), (214520, 381442), (219790, 372296), (232685, 351664), (245314, 333560)]