31948280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 90478080

約数和(自身を除く): 58529800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 91, 104, 130, 131, 134, 140, 182, 260, 262, 268, 280, 335, 364, 455, 469, 520, 524, 536, 655, 670, 728, 871, 910, 917, 938, 1048, 1310, 1340, 1703, 1742, 1820, 1834, 1876, 2345, 2620, 2680, 3406, 3484, 3640, 3668, 3752, 4355, 4585, 4690, 5240, 6097, 6812, 6968, 7336, 8515, 8710, 8777, 9170, 9380, 11921, 12194, 13624, 17030, 17420, 17554, 18340, 18760, 23842, 24388, 30485, 34060, 34840, 35108, 36680, 43885, 47684, 48776, 59605, 60970, 61439, 68120, 70216, 87770, 95368, 114101, 119210, 121940, 122878, 175540, 228202, 238420, 243880, 245756, 307195, 351080, 456404, 476840, 491512, 570505, 614390, 798707, 912808, 1141010, 1228780, 1597414, 2282020, 2457560, 3194828, 3993535, 4564040, 6389656, 7987070, 15974140, 31948280]

約数ペア:

[(1, 31948280), (2, 15974140), (4, 7987070), (5, 6389656), (7, 4564040), (8, 3993535), (10, 3194828), (13, 2457560), (14, 2282020), (20, 1597414), (26, 1228780), (28, 1141010), (35, 912808), (40, 798707), (52, 614390), (56, 570505), (65, 491512), (67, 476840), (70, 456404), (91, 351080), (104, 307195), (130, 245756), (131, 243880), (134, 238420), (140, 228202), (182, 175540), (260, 122878), (262, 121940), (268, 119210), (280, 114101), (335, 95368), (364, 87770), (455, 70216), (469, 68120), (520, 61439), (524, 60970), (536, 59605), (655, 48776), (670, 47684), (728, 43885), (871, 36680), (910, 35108), (917, 34840), (938, 34060), (1048, 30485), (1310, 24388), (1340, 23842), (1703, 18760), (1742, 18340), (1820, 17554), (1834, 17420), (1876, 17030), (2345, 13624), (2620, 12194), (2680, 11921), (3406, 9380), (3484, 9170), (3640, 8777), (3668, 8710), (3752, 8515), (4355, 7336), (4585, 6968), (4690, 6812), (5240, 6097)]