2431640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 5909760

約数和(自身を除く): 3478120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 53, 62, 74, 106, 124, 148, 155, 185, 212, 248, 265, 296, 310, 370, 424, 530, 620, 740, 1060, 1147, 1240, 1480, 1643, 1961, 2120, 2294, 3286, 3922, 4588, 5735, 6572, 7844, 8215, 9176, 9805, 11470, 13144, 15688, 16430, 19610, 22940, 32860, 39220, 45880, 60791, 65720, 78440, 121582, 243164, 303955, 486328, 607910, 1215820, 2431640]

約数ペア:

[(1, 2431640), (2, 1215820), (4, 607910), (5, 486328), (8, 303955), (10, 243164), (20, 121582), (31, 78440), (37, 65720), (40, 60791), (53, 45880), (62, 39220), (74, 32860), (106, 22940), (124, 19610), (148, 16430), (155, 15688), (185, 13144), (212, 11470), (248, 9805), (265, 9176), (296, 8215), (310, 7844), (370, 6572), (424, 5735), (530, 4588), (620, 3922), (740, 3286), (1060, 2294), (1147, 2120), (1240, 1961), (1480, 1643)]