129268860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43969}}^1$

素因数の和:43995

約数の個数: 72

約数和(自身を含む): 421056720

約数和(自身を除く): 291787860

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, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 43969, 87938, 131907, 175876, 219845, 263814, 307783, 439690, 527628, 615566, 659535, 879380, 923349, 1231132, 1319070, 1538915, 1846698, 2154481, 2638140, 3077830, 3693396, 4308962, 4616745, 6155660, 6463443, 8617924, 9233490, 10772405, 12926886, 18466980, 21544810, 25853772, 32317215, 43089620, 64634430, 129268860]

約数ペア:

[(1, 129268860), (2, 64634430), (3, 43089620), (4, 32317215), (5, 25853772), (6, 21544810), (7, 18466980), (10, 12926886), (12, 10772405), (14, 9233490), (15, 8617924), (20, 6463443), (21, 6155660), (28, 4616745), (30, 4308962), (35, 3693396), (42, 3077830), (49, 2638140), (60, 2154481), (70, 1846698), (84, 1538915), (98, 1319070), (105, 1231132), (140, 923349), (147, 879380), (196, 659535), (210, 615566), (245, 527628), (294, 439690), (420, 307783), (490, 263814), (588, 219845), (735, 175876), (980, 131907), (1470, 87938), (2940, 43969)]