131830720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:510

約数の個数: 112

約数和(自身を含む): 361736640

約数和(自身を除く): 229905920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 229, 257, 280, 320, 448, 458, 514, 560, 916, 1028, 1120, 1145, 1285, 1603, 1799, 1832, 2056, 2240, 2290, 2570, 3206, 3598, 3664, 4112, 4580, 5140, 6412, 7196, 7328, 8015, 8224, 8995, 9160, 10280, 12824, 14392, 14656, 16030, 16448, 17990, 18320, 20560, 25648, 28784, 32060, 35980, 36640, 41120, 51296, 57568, 58853, 64120, 71960, 73280, 82240, 102592, 115136, 117706, 128240, 143920, 235412, 256480, 287840, 294265, 411971, 470824, 512960, 575680, 588530, 823942, 941648, 1177060, 1647884, 1883296, 2059855, 2354120, 3295768, 3766592, 4119710, 4708240, 6591536, 8239420, 9416480, 13183072, 16478840, 18832960, 26366144, 32957680, 65915360, 131830720]

約数ペア:

[(1, 131830720), (2, 65915360), (4, 32957680), (5, 26366144), (7, 18832960), (8, 16478840), (10, 13183072), (14, 9416480), (16, 8239420), (20, 6591536), (28, 4708240), (32, 4119710), (35, 3766592), (40, 3295768), (56, 2354120), (64, 2059855), (70, 1883296), (80, 1647884), (112, 1177060), (140, 941648), (160, 823942), (224, 588530), (229, 575680), (257, 512960), (280, 470824), (320, 411971), (448, 294265), (458, 287840), (514, 256480), (560, 235412), (916, 143920), (1028, 128240), (1120, 117706), (1145, 115136), (1285, 102592), (1603, 82240), (1799, 73280), (1832, 71960), (2056, 64120), (2240, 58853), (2290, 57568), (2570, 51296), (3206, 41120), (3598, 36640), (3664, 35980), (4112, 32060), (4580, 28784), (5140, 25648), (6412, 20560), (7196, 18320), (7328, 17990), (8015, 16448), (8224, 16030), (8995, 14656), (9160, 14392), (10280, 12824)]