12657990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 20001210

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 53, 57, 95, 106, 114, 159, 190, 265, 285, 318, 419, 530, 570, 795, 838, 1007, 1257, 1590, 2014, 2095, 2514, 3021, 4190, 5035, 6042, 6285, 7961, 10070, 12570, 15105, 15922, 22207, 23883, 30210, 39805, 44414, 47766, 66621, 79610, 111035, 119415, 133242, 222070, 238830, 333105, 421933, 666210, 843866, 1265799, 2109665, 2531598, 4219330, 6328995, 12657990]

約数ペア:

[(1, 12657990), (2, 6328995), (3, 4219330), (5, 2531598), (6, 2109665), (10, 1265799), (15, 843866), (19, 666210), (30, 421933), (38, 333105), (53, 238830), (57, 222070), (95, 133242), (106, 119415), (114, 111035), (159, 79610), (190, 66621), (265, 47766), (285, 44414), (318, 39805), (419, 30210), (530, 23883), (570, 22207), (795, 15922), (838, 15105), (1007, 12570), (1257, 10070), (1590, 7961), (2014, 6285), (2095, 6042), (2514, 5035), (3021, 4190)]