153770820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 505306368

約数和(自身を除く): 351535548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 193, 196, 210, 245, 271, 294, 386, 420, 490, 542, 579, 588, 735, 772, 813, 965, 980, 1084, 1158, 1351, 1355, 1470, 1626, 1897, 1930, 2316, 2702, 2710, 2895, 2940, 3252, 3794, 3860, 4053, 4065, 5404, 5420, 5691, 5790, 6755, 7588, 8106, 8130, 9457, 9485, 11382, 11580, 13279, 13510, 16212, 16260, 18914, 18970, 20265, 22764, 26558, 27020, 28371, 28455, 37828, 37940, 39837, 40530, 47285, 52303, 53116, 56742, 56910, 66395, 79674, 81060, 94570, 104606, 113484, 113820, 132790, 141855, 156909, 159348, 189140, 199185, 209212, 261515, 265580, 283710, 313818, 366121, 398370, 523030, 567420, 627636, 732242, 784545, 796740, 1046060, 1098363, 1464484, 1569090, 1830605, 2196726, 2562847, 3138180, 3661210, 4393452, 5125694, 5491815, 7322420, 7688541, 10251388, 10983630, 12814235, 15377082, 21967260, 25628470, 30754164, 38442705, 51256940, 76885410, 153770820]

約数ペア:

[(1, 153770820), (2, 76885410), (3, 51256940), (4, 38442705), (5, 30754164), (6, 25628470), (7, 21967260), (10, 15377082), (12, 12814235), (14, 10983630), (15, 10251388), (20, 7688541), (21, 7322420), (28, 5491815), (30, 5125694), (35, 4393452), (42, 3661210), (49, 3138180), (60, 2562847), (70, 2196726), (84, 1830605), (98, 1569090), (105, 1464484), (140, 1098363), (147, 1046060), (193, 796740), (196, 784545), (210, 732242), (245, 627636), (271, 567420), (294, 523030), (386, 398370), (420, 366121), (490, 313818), (542, 283710), (579, 265580), (588, 261515), (735, 209212), (772, 199185), (813, 189140), (965, 159348), (980, 156909), (1084, 141855), (1158, 132790), (1351, 113820), (1355, 113484), (1470, 104606), (1626, 94570), (1897, 81060), (1930, 79674), (2316, 66395), (2702, 56910), (2710, 56742), (2895, 53116), (2940, 52303), (3252, 47285), (3794, 40530), (3860, 39837), (4053, 37940), (4065, 37828), (5404, 28455), (5420, 28371), (5691, 27020), (5790, 26558), (6755, 22764), (7588, 20265), (8106, 18970), (8130, 18914), (9457, 16260), (9485, 16212), (11382, 13510), (11580, 13279)]