2015383720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{4001}}^1$

素因数の和:4283

約数の個数: 96

約数和(自身を含む): 5296807080

約数和(自身を除く): 3281423360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 257, 280, 392, 490, 514, 980, 1028, 1285, 1799, 1960, 2056, 2570, 3598, 4001, 5140, 7196, 8002, 8995, 10280, 12593, 14392, 16004, 17990, 20005, 25186, 28007, 32008, 35980, 40010, 50372, 56014, 62965, 71960, 80020, 100744, 112028, 125930, 140035, 160040, 196049, 224056, 251860, 280070, 392098, 503720, 560140, 784196, 980245, 1028257, 1120280, 1568392, 1960490, 2056514, 3920980, 4113028, 5141285, 7197799, 7841960, 8226056, 10282570, 14395598, 20565140, 28791196, 35988995, 41130280, 50384593, 57582392, 71977990, 100769186, 143955980, 201538372, 251922965, 287911960, 403076744, 503845930, 1007691860, 2015383720]

約数ペア:

[(1, 2015383720), (2, 1007691860), (4, 503845930), (5, 403076744), (7, 287911960), (8, 251922965), (10, 201538372), (14, 143955980), (20, 100769186), (28, 71977990), (35, 57582392), (40, 50384593), (49, 41130280), (56, 35988995), (70, 28791196), (98, 20565140), (140, 14395598), (196, 10282570), (245, 8226056), (257, 7841960), (280, 7197799), (392, 5141285), (490, 4113028), (514, 3920980), (980, 2056514), (1028, 1960490), (1285, 1568392), (1799, 1120280), (1960, 1028257), (2056, 980245), (2570, 784196), (3598, 560140), (4001, 503720), (5140, 392098), (7196, 280070), (8002, 251860), (8995, 224056), (10280, 196049), (12593, 160040), (14392, 140035), (16004, 125930), (17990, 112028), (20005, 100744), (25186, 80020), (28007, 71960), (32008, 62965), (35980, 56014), (40010, 50372)]