15974140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 42223104

約数和(自身を除く): 26248964

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 67, 70, 91, 130, 131, 134, 140, 182, 260, 262, 268, 335, 364, 455, 469, 524, 655, 670, 871, 910, 917, 938, 1310, 1340, 1703, 1742, 1820, 1834, 1876, 2345, 2620, 3406, 3484, 3668, 4355, 4585, 4690, 6097, 6812, 8515, 8710, 8777, 9170, 9380, 11921, 12194, 17030, 17420, 17554, 18340, 23842, 24388, 30485, 34060, 35108, 43885, 47684, 59605, 60970, 61439, 87770, 114101, 119210, 121940, 122878, 175540, 228202, 238420, 245756, 307195, 456404, 570505, 614390, 798707, 1141010, 1228780, 1597414, 2282020, 3194828, 3993535, 7987070, 15974140]

約数ペア:

[(1, 15974140), (2, 7987070), (4, 3993535), (5, 3194828), (7, 2282020), (10, 1597414), (13, 1228780), (14, 1141010), (20, 798707), (26, 614390), (28, 570505), (35, 456404), (52, 307195), (65, 245756), (67, 238420), (70, 228202), (91, 175540), (130, 122878), (131, 121940), (134, 119210), (140, 114101), (182, 87770), (260, 61439), (262, 60970), (268, 59605), (335, 47684), (364, 43885), (455, 35108), (469, 34060), (524, 30485), (655, 24388), (670, 23842), (871, 18340), (910, 17554), (917, 17420), (938, 17030), (1310, 12194), (1340, 11921), (1703, 9380), (1742, 9170), (1820, 8777), (1834, 8710), (1876, 8515), (2345, 6812), (2620, 6097), (3406, 4690), (3484, 4585), (3668, 4355)]