2408380720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{11399}}^1$

素因数の和:11570

約数の個数: 80

約数和(自身を含む): 5937120000

約数和(自身を除く): 3528739280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 278, 304, 380, 556, 695, 760, 1112, 1390, 1520, 2224, 2641, 2780, 5282, 5560, 10564, 11120, 11399, 13205, 21128, 22798, 26410, 42256, 45596, 52820, 56995, 91192, 105640, 113990, 182384, 211280, 216581, 227980, 433162, 455960, 866324, 911920, 1082905, 1584461, 1732648, 2165810, 3168922, 3465296, 4331620, 6337844, 7922305, 8663240, 12675688, 15844610, 17326480, 25351376, 30104759, 31689220, 60209518, 63378440, 120419036, 126756880, 150523795, 240838072, 301047590, 481676144, 602095180, 1204190360, 2408380720]

約数ペア:

[(1, 2408380720), (2, 1204190360), (4, 602095180), (5, 481676144), (8, 301047590), (10, 240838072), (16, 150523795), (19, 126756880), (20, 120419036), (38, 63378440), (40, 60209518), (76, 31689220), (80, 30104759), (95, 25351376), (139, 17326480), (152, 15844610), (190, 12675688), (278, 8663240), (304, 7922305), (380, 6337844), (556, 4331620), (695, 3465296), (760, 3168922), (1112, 2165810), (1390, 1732648), (1520, 1584461), (2224, 1082905), (2641, 911920), (2780, 866324), (5282, 455960), (5560, 433162), (10564, 227980), (11120, 216581), (11399, 211280), (13205, 182384), (21128, 113990), (22798, 105640), (26410, 91192), (42256, 56995), (45596, 52820)]