208136340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26891}}^1$

素因数の和:26949

約数の個数: 72

約数和(自身を含む): 646053408

約数和(自身を除く): 437917068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 26891, 53782, 80673, 107564, 134455, 161346, 242019, 268910, 322692, 403365, 484038, 537820, 806730, 968076, 1156313, 1210095, 1613460, 2312626, 2420190, 3468939, 4625252, 4840380, 5781565, 6937878, 10406817, 11563130, 13875756, 17344695, 20813634, 23126260, 34689390, 41627268, 52034085, 69378780, 104068170, 208136340]

約数ペア:

[(1, 208136340), (2, 104068170), (3, 69378780), (4, 52034085), (5, 41627268), (6, 34689390), (9, 23126260), (10, 20813634), (12, 17344695), (15, 13875756), (18, 11563130), (20, 10406817), (30, 6937878), (36, 5781565), (43, 4840380), (45, 4625252), (60, 3468939), (86, 2420190), (90, 2312626), (129, 1613460), (172, 1210095), (180, 1156313), (215, 968076), (258, 806730), (387, 537820), (430, 484038), (516, 403365), (645, 322692), (774, 268910), (860, 242019), (1290, 161346), (1548, 134455), (1935, 107564), (2580, 80673), (3870, 53782), (7740, 26891)]