666678870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 256

約数和(自身を含む): 2159861760

約数和(自身を除く): 1493182890

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 27, 30, 31, 33, 39, 45, 54, 55, 62, 65, 66, 78, 90, 93, 99, 110, 117, 130, 135, 143, 155, 165, 186, 195, 198, 234, 270, 279, 286, 297, 310, 330, 341, 351, 390, 403, 429, 465, 495, 557, 558, 585, 594, 682, 702, 715, 806, 837, 858, 930, 990, 1023, 1114, 1170, 1209, 1287, 1395, 1430, 1485, 1671, 1674, 1705, 1755, 2015, 2046, 2145, 2418, 2574, 2785, 2790, 2970, 3069, 3342, 3410, 3510, 3627, 3861, 4030, 4185, 4290, 4433, 5013, 5115, 5570, 6045, 6127, 6138, 6435, 7241, 7254, 7722, 8355, 8370, 8866, 9207, 10026, 10230, 10881, 12090, 12254, 12870, 13299, 14482, 15039, 15345, 16710, 17267, 18135, 18381, 18414, 19305, 21723, 21762, 22165, 25065, 26598, 30078, 30635, 30690, 34534, 36205, 36270, 36762, 38610, 39897, 43446, 44330, 46035, 50130, 51801, 54405, 55143, 61270, 65169, 66495, 72410, 75195, 79651, 79794, 86335, 91905, 92070, 103602, 108615, 108810, 110286, 119691, 130338, 132990, 150390, 155403, 159302, 165429, 172670, 183810, 189937, 195507, 199485, 217230, 224471, 238953, 239382, 259005, 275715, 310806, 325845, 330858, 379874, 391014, 398255, 398970, 448942, 466209, 477906, 518010, 551430, 569811, 598455, 651690, 673413, 716859, 777015, 796510, 827145, 932418, 949685, 977535, 1122355, 1139622, 1194765, 1196910, 1346826, 1433718, 1554030, 1654290, 1709433, 1899370, 1955070, 2020239, 2150577, 2244710, 2331045, 2389530, 2469181, 2849055, 3367065, 3418866, 3584295, 4040478, 4301154, 4662090, 4938362, 5128299, 5698110, 6060717, 6734130, 7168590, 7407543, 8547165, 10101195, 10256598, 10752885, 12121434, 12345905, 14815086, 17094330, 20202390, 21505770, 22222629, 24691810, 25641495, 30303585, 37037715, 44445258, 51282990, 60607170, 66667887, 74075430, 111113145, 133335774, 222226290, 333339435, 666678870]

約数ペア:

[(1, 666678870), (2, 333339435), (3, 222226290), (5, 133335774), (6, 111113145), (9, 74075430), (10, 66667887), (11, 60607170), (13, 51282990), (15, 44445258), (18, 37037715), (22, 30303585), (26, 25641495), (27, 24691810), (30, 22222629), (31, 21505770), (33, 20202390), (39, 17094330), (45, 14815086), (54, 12345905), (55, 12121434), (62, 10752885), (65, 10256598), (66, 10101195), (78, 8547165), (90, 7407543), (93, 7168590), (99, 6734130), (110, 6060717), (117, 5698110), (130, 5128299), (135, 4938362), (143, 4662090), (155, 4301154), (165, 4040478), (186, 3584295), (195, 3418866), (198, 3367065), (234, 2849055), (270, 2469181), (279, 2389530), (286, 2331045), (297, 2244710), (310, 2150577), (330, 2020239), (341, 1955070), (351, 1899370), (390, 1709433), (403, 1654290), (429, 1554030), (465, 1433718), (495, 1346826), (557, 1196910), (558, 1194765), (585, 1139622), (594, 1122355), (682, 977535), (702, 949685), (715, 932418), (806, 827145), (837, 796510), (858, 777015), (930, 716859), (990, 673413), (1023, 651690), (1114, 598455), (1170, 569811), (1209, 551430), (1287, 518010), (1395, 477906), (1430, 466209), (1485, 448942), (1671, 398970), (1674, 398255), (1705, 391014), (1755, 379874), (2015, 330858), (2046, 325845), (2145, 310806), (2418, 275715), (2574, 259005), (2785, 239382), (2790, 238953), (2970, 224471), (3069, 217230), (3342, 199485), (3410, 195507), (3510, 189937), (3627, 183810), (3861, 172670), (4030, 165429), (4185, 159302), (4290, 155403), (4433, 150390), (5013, 132990), (5115, 130338), (5570, 119691), (6045, 110286), (6127, 108810), (6138, 108615), (6435, 103602), (7241, 92070), (7254, 91905), (7722, 86335), (8355, 79794), (8370, 79651), (8866, 75195), (9207, 72410), (10026, 66495), (10230, 65169), (10881, 61270), (12090, 55143), (12254, 54405), (12870, 51801), (13299, 50130), (14482, 46035), (15039, 44330), (15345, 43446), (16710, 39897), (17267, 38610), (18135, 36762), (18381, 36270), (18414, 36205), (19305, 34534), (21723, 30690), (21762, 30635), (22165, 30078), (25065, 26598)]