2666960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 6870096

約数和(自身を除く): 4203136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 53, 68, 74, 80, 85, 106, 136, 148, 170, 185, 212, 265, 272, 296, 340, 370, 424, 530, 592, 629, 680, 740, 848, 901, 1060, 1258, 1360, 1480, 1802, 1961, 2120, 2516, 2960, 3145, 3604, 3922, 4240, 4505, 5032, 6290, 7208, 7844, 9010, 9805, 10064, 12580, 14416, 15688, 18020, 19610, 25160, 31376, 33337, 36040, 39220, 50320, 66674, 72080, 78440, 133348, 156880, 166685, 266696, 333370, 533392, 666740, 1333480, 2666960]

約数ペア:

[(1, 2666960), (2, 1333480), (4, 666740), (5, 533392), (8, 333370), (10, 266696), (16, 166685), (17, 156880), (20, 133348), (34, 78440), (37, 72080), (40, 66674), (53, 50320), (68, 39220), (74, 36040), (80, 33337), (85, 31376), (106, 25160), (136, 19610), (148, 18020), (170, 15688), (185, 14416), (212, 12580), (265, 10064), (272, 9805), (296, 9010), (340, 7844), (370, 7208), (424, 6290), (530, 5032), (592, 4505), (629, 4240), (680, 3922), (740, 3604), (848, 3145), (901, 2960), (1060, 2516), (1258, 2120), (1360, 1961), (1480, 1802)]