291445830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1931}}^1$

素因数の和:2003

約数の個数: 128

約数和(自身を含む): 856880640

約数和(自身を除く): 565434810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 43, 45, 54, 65, 78, 86, 90, 117, 129, 130, 135, 195, 215, 234, 258, 270, 351, 387, 390, 430, 559, 585, 645, 702, 774, 1118, 1161, 1170, 1290, 1677, 1755, 1931, 1935, 2322, 2795, 3354, 3510, 3862, 3870, 5031, 5590, 5793, 5805, 8385, 9655, 10062, 11586, 11610, 15093, 16770, 17379, 19310, 25103, 25155, 28965, 30186, 34758, 50206, 50310, 52137, 57930, 75309, 75465, 83033, 86895, 104274, 125515, 150618, 150930, 166066, 173790, 225927, 249099, 251030, 260685, 376545, 415165, 451854, 498198, 521370, 677781, 747297, 753090, 830330, 1079429, 1129635, 1245495, 1355562, 1494594, 2158858, 2241891, 2259270, 2490990, 3238287, 3388905, 3736485, 4483782, 5397145, 6476574, 6777810, 7472970, 9714861, 10794290, 11209455, 16191435, 19429722, 22418910, 29144583, 32382870, 48574305, 58289166, 97148610, 145722915, 291445830]

約数ペア:

[(1, 291445830), (2, 145722915), (3, 97148610), (5, 58289166), (6, 48574305), (9, 32382870), (10, 29144583), (13, 22418910), (15, 19429722), (18, 16191435), (26, 11209455), (27, 10794290), (30, 9714861), (39, 7472970), (43, 6777810), (45, 6476574), (54, 5397145), (65, 4483782), (78, 3736485), (86, 3388905), (90, 3238287), (117, 2490990), (129, 2259270), (130, 2241891), (135, 2158858), (195, 1494594), (215, 1355562), (234, 1245495), (258, 1129635), (270, 1079429), (351, 830330), (387, 753090), (390, 747297), (430, 677781), (559, 521370), (585, 498198), (645, 451854), (702, 415165), (774, 376545), (1118, 260685), (1161, 251030), (1170, 249099), (1290, 225927), (1677, 173790), (1755, 166066), (1931, 150930), (1935, 150618), (2322, 125515), (2795, 104274), (3354, 86895), (3510, 83033), (3862, 75465), (3870, 75309), (5031, 57930), (5590, 52137), (5793, 50310), (5805, 50206), (8385, 34758), (9655, 30186), (10062, 28965), (11586, 25155), (11610, 25103), (15093, 19310), (16770, 17379)]