61440680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11549}}^1$

素因数の和:11586

約数の個数: 64

約数和(自身を含む): 166320000

約数和(自身を除く): 104879320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 11549, 23098, 46196, 57745, 80843, 92392, 115490, 161686, 219431, 230980, 323372, 404215, 438862, 461960, 646744, 808430, 877724, 1097155, 1536017, 1616860, 1755448, 2194310, 3072034, 3233720, 4388620, 6144068, 7680085, 8777240, 12288136, 15360170, 30720340, 61440680]

約数ペア:

[(1, 61440680), (2, 30720340), (4, 15360170), (5, 12288136), (7, 8777240), (8, 7680085), (10, 6144068), (14, 4388620), (19, 3233720), (20, 3072034), (28, 2194310), (35, 1755448), (38, 1616860), (40, 1536017), (56, 1097155), (70, 877724), (76, 808430), (95, 646744), (133, 461960), (140, 438862), (152, 404215), (190, 323372), (266, 230980), (280, 219431), (380, 161686), (532, 115490), (665, 92392), (760, 80843), (1064, 57745), (1330, 46196), (2660, 23098), (5320, 11549)]