138432420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:810

約数の個数: 144

約数和(自身を含む): 483345408

約数和(自身を除く): 344912988

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, 181, 210, 252, 315, 362, 420, 543, 607, 630, 724, 905, 1086, 1214, 1260, 1267, 1629, 1810, 1821, 2172, 2428, 2534, 2715, 3035, 3258, 3620, 3642, 3801, 4249, 5068, 5430, 5463, 6070, 6335, 6516, 7284, 7602, 8145, 8498, 9105, 10860, 10926, 11403, 12140, 12670, 12747, 15204, 16290, 16996, 18210, 19005, 21245, 21852, 22806, 25340, 25494, 27315, 32580, 36420, 38010, 38241, 42490, 45612, 50988, 54630, 57015, 63735, 76020, 76482, 84980, 109260, 109867, 114030, 127470, 152964, 191205, 219734, 228060, 254940, 329601, 382410, 439468, 549335, 659202, 764820, 769069, 988803, 1098670, 1318404, 1538138, 1648005, 1977606, 2197340, 2307207, 3076276, 3296010, 3845345, 3955212, 4614414, 4944015, 6592020, 6921621, 7690690, 9228828, 9888030, 11536035, 13843242, 15381380, 19776060, 23072070, 27686484, 34608105, 46144140, 69216210, 138432420]

約数ペア:

[(1, 138432420), (2, 69216210), (3, 46144140), (4, 34608105), (5, 27686484), (6, 23072070), (7, 19776060), (9, 15381380), (10, 13843242), (12, 11536035), (14, 9888030), (15, 9228828), (18, 7690690), (20, 6921621), (21, 6592020), (28, 4944015), (30, 4614414), (35, 3955212), (36, 3845345), (42, 3296010), (45, 3076276), (60, 2307207), (63, 2197340), (70, 1977606), (84, 1648005), (90, 1538138), (105, 1318404), (126, 1098670), (140, 988803), (180, 769069), (181, 764820), (210, 659202), (252, 549335), (315, 439468), (362, 382410), (420, 329601), (543, 254940), (607, 228060), (630, 219734), (724, 191205), (905, 152964), (1086, 127470), (1214, 114030), (1260, 109867), (1267, 109260), (1629, 84980), (1810, 76482), (1821, 76020), (2172, 63735), (2428, 57015), (2534, 54630), (2715, 50988), (3035, 45612), (3258, 42490), (3620, 38241), (3642, 38010), (3801, 36420), (4249, 32580), (5068, 27315), (5430, 25494), (5463, 25340), (6070, 22806), (6335, 21852), (6516, 21245), (7284, 19005), (7602, 18210), (8145, 16996), (8498, 16290), (9105, 15204), (10860, 12747), (10926, 12670), (11403, 12140)]