69749820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 243891648

約数和(自身を除く): 174141828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 197, 210, 252, 281, 315, 394, 420, 562, 591, 630, 788, 843, 985, 1124, 1182, 1260, 1379, 1405, 1686, 1773, 1967, 1970, 2364, 2529, 2758, 2810, 2955, 3372, 3546, 3934, 3940, 4137, 4215, 5058, 5516, 5620, 5901, 5910, 6895, 7092, 7868, 8274, 8430, 8865, 9835, 10116, 11802, 11820, 12411, 12645, 13790, 16548, 16860, 17703, 17730, 19670, 20685, 23604, 24822, 25290, 27580, 29505, 35406, 35460, 39340, 41370, 49644, 50580, 55357, 59010, 62055, 70812, 82740, 88515, 110714, 118020, 124110, 166071, 177030, 221428, 248220, 276785, 332142, 354060, 387499, 498213, 553570, 664284, 774998, 830355, 996426, 1107140, 1162497, 1549996, 1660710, 1937495, 1992852, 2324994, 2491065, 3321420, 3487491, 3874990, 4649988, 4982130, 5812485, 6974982, 7749980, 9964260, 11624970, 13949964, 17437455, 23249940, 34874910, 69749820]

約数ペア:

[(1, 69749820), (2, 34874910), (3, 23249940), (4, 17437455), (5, 13949964), (6, 11624970), (7, 9964260), (9, 7749980), (10, 6974982), (12, 5812485), (14, 4982130), (15, 4649988), (18, 3874990), (20, 3487491), (21, 3321420), (28, 2491065), (30, 2324994), (35, 1992852), (36, 1937495), (42, 1660710), (45, 1549996), (60, 1162497), (63, 1107140), (70, 996426), (84, 830355), (90, 774998), (105, 664284), (126, 553570), (140, 498213), (180, 387499), (197, 354060), (210, 332142), (252, 276785), (281, 248220), (315, 221428), (394, 177030), (420, 166071), (562, 124110), (591, 118020), (630, 110714), (788, 88515), (843, 82740), (985, 70812), (1124, 62055), (1182, 59010), (1260, 55357), (1379, 50580), (1405, 49644), (1686, 41370), (1773, 39340), (1967, 35460), (1970, 35406), (2364, 29505), (2529, 27580), (2758, 25290), (2810, 24822), (2955, 23604), (3372, 20685), (3546, 19670), (3934, 17730), (3940, 17703), (4137, 16860), (4215, 16548), (5058, 13790), (5516, 12645), (5620, 12411), (5901, 11820), (5910, 11802), (6895, 10116), (7092, 9835), (7868, 8865), (8274, 8430)]