331335440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:361

約数の個数: 160

約数和(自身を含む): 874229760

約数和(自身を除く): 542894320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 31, 34, 40, 58, 62, 68, 80, 85, 116, 124, 136, 145, 155, 170, 232, 248, 271, 272, 290, 310, 340, 464, 493, 496, 527, 542, 580, 620, 680, 899, 986, 1054, 1084, 1160, 1240, 1355, 1360, 1798, 1972, 2108, 2168, 2320, 2465, 2480, 2635, 2710, 3596, 3944, 4216, 4336, 4495, 4607, 4930, 5270, 5420, 7192, 7859, 7888, 8401, 8432, 8990, 9214, 9860, 10540, 10840, 14384, 15283, 15718, 16802, 17980, 18428, 19720, 21080, 21680, 23035, 30566, 31436, 33604, 35960, 36856, 39295, 39440, 42005, 42160, 46070, 61132, 62872, 67208, 71920, 73712, 76415, 78590, 84010, 92140, 122264, 125744, 133603, 134416, 142817, 152830, 157180, 168020, 184280, 243629, 244528, 267206, 285634, 305660, 314360, 336040, 368560, 487258, 534412, 571268, 611320, 628720, 668015, 672080, 714085, 974516, 1068824, 1142536, 1218145, 1222640, 1336030, 1428170, 1949032, 2137648, 2285072, 2436290, 2672060, 2856340, 3898064, 4141693, 4872580, 5344120, 5712680, 8283386, 9745160, 10688240, 11425360, 16566772, 19490320, 20708465, 33133544, 41416930, 66267088, 82833860, 165667720, 331335440]

約数ペア:

[(1, 331335440), (2, 165667720), (4, 82833860), (5, 66267088), (8, 41416930), (10, 33133544), (16, 20708465), (17, 19490320), (20, 16566772), (29, 11425360), (31, 10688240), (34, 9745160), (40, 8283386), (58, 5712680), (62, 5344120), (68, 4872580), (80, 4141693), (85, 3898064), (116, 2856340), (124, 2672060), (136, 2436290), (145, 2285072), (155, 2137648), (170, 1949032), (232, 1428170), (248, 1336030), (271, 1222640), (272, 1218145), (290, 1142536), (310, 1068824), (340, 974516), (464, 714085), (493, 672080), (496, 668015), (527, 628720), (542, 611320), (580, 571268), (620, 534412), (680, 487258), (899, 368560), (986, 336040), (1054, 314360), (1084, 305660), (1160, 285634), (1240, 267206), (1355, 244528), (1360, 243629), (1798, 184280), (1972, 168020), (2108, 157180), (2168, 152830), (2320, 142817), (2465, 134416), (2480, 133603), (2635, 125744), (2710, 122264), (3596, 92140), (3944, 84010), (4216, 78590), (4336, 76415), (4495, 73712), (4607, 71920), (4930, 67208), (5270, 62872), (5420, 61132), (7192, 46070), (7859, 42160), (7888, 42005), (8401, 39440), (8432, 39295), (8990, 36856), (9214, 35960), (9860, 33604), (10540, 31436), (10840, 30566), (14384, 23035), (15283, 21680), (15718, 21080), (16802, 19720), (17980, 18428)]