81320850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13901}}^1$

素因数の和:13932

約数の個数: 72

約数和(自身を含む): 235305252

約数和(自身を除く): 153984402

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 5850, 13901, 27802, 41703, 69505, 83406, 125109, 139010, 180713, 208515, 250218, 347525, 361426, 417030, 542139, 625545, 695050, 903565, 1042575, 1084278, 1251090, 1626417, 1807130, 2085150, 2710695, 3127725, 3252834, 4517825, 5421390, 6255450, 8132085, 9035650, 13553475, 16264170, 27106950, 40660425, 81320850]

約数ペア:

[(1, 81320850), (2, 40660425), (3, 27106950), (5, 16264170), (6, 13553475), (9, 9035650), (10, 8132085), (13, 6255450), (15, 5421390), (18, 4517825), (25, 3252834), (26, 3127725), (30, 2710695), (39, 2085150), (45, 1807130), (50, 1626417), (65, 1251090), (75, 1084278), (78, 1042575), (90, 903565), (117, 695050), (130, 625545), (150, 542139), (195, 417030), (225, 361426), (234, 347525), (325, 250218), (390, 208515), (450, 180713), (585, 139010), (650, 125109), (975, 83406), (1170, 69505), (1950, 41703), (2925, 27802), (5850, 13901)]