128538270

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{29147}}^1$

素因数の和:29174

約数の個数: 72

約数和(自身を含む): 388776024

約数和(自身を除く): 260237754

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 29147, 58294, 87441, 145735, 174882, 204029, 262323, 291470, 408058, 437205, 524646, 612087, 874410, 1020145, 1224174, 1311615, 1428203, 1836261, 2040290, 2623230, 2856406, 3060435, 3672522, 4284609, 6120870, 7141015, 8569218, 9181305, 12853827, 14282030, 18362610, 21423045, 25707654, 42846090, 64269135, 128538270]

約数ペア:

[(1, 128538270), (2, 64269135), (3, 42846090), (5, 25707654), (6, 21423045), (7, 18362610), (9, 14282030), (10, 12853827), (14, 9181305), (15, 8569218), (18, 7141015), (21, 6120870), (30, 4284609), (35, 3672522), (42, 3060435), (45, 2856406), (49, 2623230), (63, 2040290), (70, 1836261), (90, 1428203), (98, 1311615), (105, 1224174), (126, 1020145), (147, 874410), (210, 612087), (245, 524646), (294, 437205), (315, 408058), (441, 291470), (490, 262323), (630, 204029), (735, 174882), (882, 145735), (1470, 87441), (2205, 58294), (4410, 29147)]