31139010

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 98594496

約数和(自身を除く): 67455486

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 49, 63, 69, 70, 90, 98, 105, 115, 126, 138, 147, 161, 207, 210, 230, 245, 294, 307, 315, 322, 345, 414, 441, 483, 490, 614, 630, 690, 735, 805, 882, 921, 966, 1035, 1127, 1449, 1470, 1535, 1610, 1842, 2070, 2149, 2205, 2254, 2415, 2763, 2898, 3070, 3381, 4298, 4410, 4605, 4830, 5526, 5635, 6447, 6762, 7061, 7245, 9210, 10143, 10745, 11270, 12894, 13815, 14122, 14490, 15043, 16905, 19341, 20286, 21183, 21490, 27630, 30086, 32235, 33810, 35305, 38682, 42366, 45129, 49427, 50715, 63549, 64470, 70610, 75215, 90258, 96705, 98854, 101430, 105915, 127098, 135387, 148281, 150430, 193410, 211830, 225645, 247135, 270774, 296562, 317745, 345989, 444843, 451290, 494270, 635490, 676935, 691978, 741405, 889686, 1037967, 1353870, 1482810, 1729945, 2075934, 2224215, 3113901, 3459890, 4448430, 5189835, 6227802, 10379670, 15569505, 31139010]

約数ペア:

[(1, 31139010), (2, 15569505), (3, 10379670), (5, 6227802), (6, 5189835), (7, 4448430), (9, 3459890), (10, 3113901), (14, 2224215), (15, 2075934), (18, 1729945), (21, 1482810), (23, 1353870), (30, 1037967), (35, 889686), (42, 741405), (45, 691978), (46, 676935), (49, 635490), (63, 494270), (69, 451290), (70, 444843), (90, 345989), (98, 317745), (105, 296562), (115, 270774), (126, 247135), (138, 225645), (147, 211830), (161, 193410), (207, 150430), (210, 148281), (230, 135387), (245, 127098), (294, 105915), (307, 101430), (315, 98854), (322, 96705), (345, 90258), (414, 75215), (441, 70610), (483, 64470), (490, 63549), (614, 50715), (630, 49427), (690, 45129), (735, 42366), (805, 38682), (882, 35305), (921, 33810), (966, 32235), (1035, 30086), (1127, 27630), (1449, 21490), (1470, 21183), (1535, 20286), (1610, 19341), (1842, 16905), (2070, 15043), (2149, 14490), (2205, 14122), (2254, 13815), (2415, 12894), (2763, 11270), (2898, 10745), (3070, 10143), (3381, 9210), (4298, 7245), (4410, 7061), (4605, 6762), (4830, 6447), (5526, 5635)]