177940178220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1279961}}^1$

素因数の和:1280311

約数の個数: 96

約数和(自身を含む): 571129284096

約数和(自身を除く): 393189105876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 331, 420, 662, 993, 1324, 1655, 1986, 2317, 3310, 3972, 4634, 4965, 6620, 6951, 9268, 9930, 11585, 13902, 19860, 23170, 27804, 34755, 46340, 69510, 139020, 1279961, 2559922, 3839883, 5119844, 6399805, 7679766, 8959727, 12799610, 15359532, 17919454, 19199415, 25599220, 26879181, 35838908, 38398830, 44798635, 53758362, 76797660, 89597270, 107516724, 134395905, 179194540, 268791810, 423667091, 537583620, 847334182, 1271001273, 1694668364, 2118335455, 2542002546, 2965669637, 4236670910, 5084005092, 5931339274, 6355006365, 8473341820, 8897008911, 11862678548, 12710012730, 14828348185, 17794017822, 25420025460, 29656696370, 35588035644, 44485044555, 59313392740, 88970089110, 177940178220]

約数ペア:

[(1, 177940178220), (2, 88970089110), (3, 59313392740), (4, 44485044555), (5, 35588035644), (6, 29656696370), (7, 25420025460), (10, 17794017822), (12, 14828348185), (14, 12710012730), (15, 11862678548), (20, 8897008911), (21, 8473341820), (28, 6355006365), (30, 5931339274), (35, 5084005092), (42, 4236670910), (60, 2965669637), (70, 2542002546), (84, 2118335455), (105, 1694668364), (140, 1271001273), (210, 847334182), (331, 537583620), (420, 423667091), (662, 268791810), (993, 179194540), (1324, 134395905), (1655, 107516724), (1986, 89597270), (2317, 76797660), (3310, 53758362), (3972, 44798635), (4634, 38398830), (4965, 35838908), (6620, 26879181), (6951, 25599220), (9268, 19199415), (9930, 17919454), (11585, 15359532), (13902, 12799610), (19860, 8959727), (23170, 7679766), (27804, 6399805), (34755, 5119844), (46340, 3839883), (69510, 2559922), (139020, 1279961)]