31431510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:603

約数の個数: 128

約数和(自身を含む): 96422400

約数和(自身を除く): 64990890

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 90, 95, 99, 110, 114, 135, 165, 171, 190, 198, 209, 270, 285, 297, 330, 342, 418, 495, 513, 557, 570, 594, 627, 855, 990, 1026, 1045, 1114, 1254, 1485, 1671, 1710, 1881, 2090, 2565, 2785, 2970, 3135, 3342, 3762, 5013, 5130, 5570, 5643, 6127, 6270, 8355, 9405, 10026, 10583, 11286, 12254, 15039, 16710, 18381, 18810, 21166, 25065, 28215, 30078, 30635, 31749, 36762, 50130, 52915, 55143, 56430, 61270, 63498, 75195, 91905, 95247, 105830, 110286, 116413, 150390, 158745, 165429, 183810, 190494, 232826, 275715, 285741, 317490, 330858, 349239, 476235, 551430, 571482, 582065, 698478, 827145, 952470, 1047717, 1164130, 1428705, 1654290, 1746195, 2095434, 2857410, 3143151, 3492390, 5238585, 6286302, 10477170, 15715755, 31431510]

約数ペア:

[(1, 31431510), (2, 15715755), (3, 10477170), (5, 6286302), (6, 5238585), (9, 3492390), (10, 3143151), (11, 2857410), (15, 2095434), (18, 1746195), (19, 1654290), (22, 1428705), (27, 1164130), (30, 1047717), (33, 952470), (38, 827145), (45, 698478), (54, 582065), (55, 571482), (57, 551430), (66, 476235), (90, 349239), (95, 330858), (99, 317490), (110, 285741), (114, 275715), (135, 232826), (165, 190494), (171, 183810), (190, 165429), (198, 158745), (209, 150390), (270, 116413), (285, 110286), (297, 105830), (330, 95247), (342, 91905), (418, 75195), (495, 63498), (513, 61270), (557, 56430), (570, 55143), (594, 52915), (627, 50130), (855, 36762), (990, 31749), (1026, 30635), (1045, 30078), (1114, 28215), (1254, 25065), (1485, 21166), (1671, 18810), (1710, 18381), (1881, 16710), (2090, 15039), (2565, 12254), (2785, 11286), (2970, 10583), (3135, 10026), (3342, 9405), (3762, 8355), (5013, 6270), (5130, 6127), (5570, 5643)]