2118556680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{17851}}^1$

素因数の和:17931

約数の個数: 128

約数和(自身を含む): 6786616320

約数和(自身を除く): 4668059640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 552, 645, 690, 860, 920, 989, 1032, 1290, 1380, 1720, 1978, 2580, 2760, 2967, 3956, 4945, 5160, 5934, 7912, 9890, 11868, 14835, 17851, 19780, 23736, 29670, 35702, 39560, 53553, 59340, 71404, 89255, 107106, 118680, 142808, 178510, 214212, 267765, 357020, 410573, 428424, 535530, 714040, 767593, 821146, 1071060, 1231719, 1535186, 1642292, 2052865, 2142120, 2302779, 2463438, 3070372, 3284584, 3837965, 4105730, 4605558, 4926876, 6140744, 6158595, 7675930, 8211460, 9211116, 9853752, 11513895, 12317190, 15351860, 16422920, 17654639, 18422232, 23027790, 24634380, 30703720, 35309278, 46055580, 49268760, 52963917, 70618556, 88273195, 92111160, 105927834, 141237112, 176546390, 211855668, 264819585, 353092780, 423711336, 529639170, 706185560, 1059278340, 2118556680]

約数ペア:

[(1, 2118556680), (2, 1059278340), (3, 706185560), (4, 529639170), (5, 423711336), (6, 353092780), (8, 264819585), (10, 211855668), (12, 176546390), (15, 141237112), (20, 105927834), (23, 92111160), (24, 88273195), (30, 70618556), (40, 52963917), (43, 49268760), (46, 46055580), (60, 35309278), (69, 30703720), (86, 24634380), (92, 23027790), (115, 18422232), (120, 17654639), (129, 16422920), (138, 15351860), (172, 12317190), (184, 11513895), (215, 9853752), (230, 9211116), (258, 8211460), (276, 7675930), (344, 6158595), (345, 6140744), (430, 4926876), (460, 4605558), (516, 4105730), (552, 3837965), (645, 3284584), (690, 3070372), (860, 2463438), (920, 2302779), (989, 2142120), (1032, 2052865), (1290, 1642292), (1380, 1535186), (1720, 1231719), (1978, 1071060), (2580, 821146), (2760, 767593), (2967, 714040), (3956, 535530), (4945, 428424), (5160, 410573), (5934, 357020), (7912, 267765), (9890, 214212), (11868, 178510), (14835, 142808), (17851, 118680), (19780, 107106), (23736, 89255), (29670, 71404), (35702, 59340), (39560, 53553)]