71744820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1110

約数の個数: 144

約数和(自身を含む): 244073088

約数和(自身を除く): 172328268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1061, 1127, 1380, 1470, 1610, 1932, 2122, 2254, 2415, 2940, 3183, 3220, 3381, 4244, 4508, 4830, 5305, 5635, 6366, 6762, 7427, 9660, 10610, 11270, 12732, 13524, 14854, 15915, 16905, 21220, 22281, 22540, 24403, 29708, 31830, 33810, 37135, 44562, 48806, 51989, 63660, 67620, 73209, 74270, 89124, 97612, 103978, 111405, 122015, 146418, 148540, 155967, 170821, 207956, 222810, 244030, 259945, 292836, 311934, 341642, 366045, 445620, 488060, 512463, 519890, 623868, 683284, 732090, 779835, 854105, 1024926, 1039780, 1195747, 1464180, 1559670, 1708210, 2049852, 2391494, 2562315, 3119340, 3416420, 3587241, 4782988, 5124630, 5978735, 7174482, 10249260, 11957470, 14348964, 17936205, 23914940, 35872410, 71744820]

約数ペア:

[(1, 71744820), (2, 35872410), (3, 23914940), (4, 17936205), (5, 14348964), (6, 11957470), (7, 10249260), (10, 7174482), (12, 5978735), (14, 5124630), (15, 4782988), (20, 3587241), (21, 3416420), (23, 3119340), (28, 2562315), (30, 2391494), (35, 2049852), (42, 1708210), (46, 1559670), (49, 1464180), (60, 1195747), (69, 1039780), (70, 1024926), (84, 854105), (92, 779835), (98, 732090), (105, 683284), (115, 623868), (138, 519890), (140, 512463), (147, 488060), (161, 445620), (196, 366045), (210, 341642), (230, 311934), (245, 292836), (276, 259945), (294, 244030), (322, 222810), (345, 207956), (420, 170821), (460, 155967), (483, 148540), (490, 146418), (588, 122015), (644, 111405), (690, 103978), (735, 97612), (805, 89124), (966, 74270), (980, 73209), (1061, 67620), (1127, 63660), (1380, 51989), (1470, 48806), (1610, 44562), (1932, 37135), (2122, 33810), (2254, 31830), (2415, 29708), (2940, 24403), (3183, 22540), (3220, 22281), (3381, 21220), (4244, 16905), (4508, 15915), (4830, 14854), (5305, 13524), (5635, 12732), (6366, 11270), (6762, 10610), (7427, 9660)]