20851536720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{1901}}^1\times {\mathrm{6529}}^1$

素因数の和:8453

約数の個数: 160

約数和(自身を含む): 73924197120

約数和(自身を除く): 53072660400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 1901, 3802, 5703, 6529, 7604, 9505, 11406, 13058, 13307, 15208, 19010, 19587, 22812, 26116, 26614, 28515, 30416, 32645, 38020, 39174, 39921, 45624, 45703, 52232, 53228, 57030, 65290, 66535, 76040, 78348, 79842, 91248, 91406, 97935, 104464, 106456, 114060, 130580, 133070, 137109, 152080, 156696, 159684, 182812, 195870, 199605, 212912, 228120, 228515, 261160, 266140, 274218, 313392, 319368, 365624, 391740, 399210, 456240, 457030, 522320, 532280, 548436, 638736, 685545, 731248, 783480, 798420, 914060, 1064560, 1096872, 1371090, 1566960, 1596840, 1828120, 2193744, 2742180, 3193680, 3656240, 5484360, 10968720, 12411629, 24823258, 37234887, 49646516, 62058145, 74469774, 86881403, 99293032, 124116290, 148939548, 173762806, 186174435, 198586064, 248232580, 260644209, 297879096, 347525612, 372348870, 434407015, 496465160, 521288418, 595758192, 695051224, 744697740, 868814030, 992930320, 1042576836, 1303221045, 1390102448, 1489395480, 1737628060, 2085153672, 2606442090, 2978790960, 3475256120, 4170307344, 5212884180, 6950512240, 10425768360, 20851536720]

約数ペア:

[(1, 20851536720), (2, 10425768360), (3, 6950512240), (4, 5212884180), (5, 4170307344), (6, 3475256120), (7, 2978790960), (8, 2606442090), (10, 2085153672), (12, 1737628060), (14, 1489395480), (15, 1390102448), (16, 1303221045), (20, 1042576836), (21, 992930320), (24, 868814030), (28, 744697740), (30, 695051224), (35, 595758192), (40, 521288418), (42, 496465160), (48, 434407015), (56, 372348870), (60, 347525612), (70, 297879096), (80, 260644209), (84, 248232580), (105, 198586064), (112, 186174435), (120, 173762806), (140, 148939548), (168, 124116290), (210, 99293032), (240, 86881403), (280, 74469774), (336, 62058145), (420, 49646516), (560, 37234887), (840, 24823258), (1680, 12411629), (1901, 10968720), (3802, 5484360), (5703, 3656240), (6529, 3193680), (7604, 2742180), (9505, 2193744), (11406, 1828120), (13058, 1596840), (13307, 1566960), (15208, 1371090), (19010, 1096872), (19587, 1064560), (22812, 914060), (26116, 798420), (26614, 783480), (28515, 731248), (30416, 685545), (32645, 638736), (38020, 548436), (39174, 532280), (39921, 522320), (45624, 457030), (45703, 456240), (52232, 399210), (53228, 391740), (57030, 365624), (65290, 319368), (66535, 313392), (76040, 274218), (78348, 266140), (79842, 261160), (91248, 228515), (91406, 228120), (97935, 212912), (104464, 199605), (106456, 195870), (114060, 182812), (130580, 159684), (133070, 156696), (137109, 152080)]