51242940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 180590592

約数和(自身を除く): 129347652

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, 67, 70, 84, 90, 105, 126, 134, 140, 180, 201, 210, 252, 268, 315, 335, 402, 420, 469, 603, 607, 630, 670, 804, 938, 1005, 1206, 1214, 1260, 1340, 1407, 1821, 1876, 2010, 2345, 2412, 2428, 2814, 3015, 3035, 3642, 4020, 4221, 4249, 4690, 5463, 5628, 6030, 6070, 7035, 7284, 8442, 8498, 9105, 9380, 10926, 12060, 12140, 12747, 14070, 16884, 16996, 18210, 21105, 21245, 21852, 25494, 27315, 28140, 36420, 38241, 40669, 42210, 42490, 50988, 54630, 63735, 76482, 81338, 84420, 84980, 109260, 122007, 127470, 152964, 162676, 191205, 203345, 244014, 254940, 284683, 366021, 382410, 406690, 488028, 569366, 610035, 732042, 764820, 813380, 854049, 1138732, 1220070, 1423415, 1464084, 1708098, 1830105, 2440140, 2562147, 2846830, 3416196, 3660210, 4270245, 5124294, 5693660, 7320420, 8540490, 10248588, 12810735, 17080980, 25621470, 51242940]

約数ペア:

[(1, 51242940), (2, 25621470), (3, 17080980), (4, 12810735), (5, 10248588), (6, 8540490), (7, 7320420), (9, 5693660), (10, 5124294), (12, 4270245), (14, 3660210), (15, 3416196), (18, 2846830), (20, 2562147), (21, 2440140), (28, 1830105), (30, 1708098), (35, 1464084), (36, 1423415), (42, 1220070), (45, 1138732), (60, 854049), (63, 813380), (67, 764820), (70, 732042), (84, 610035), (90, 569366), (105, 488028), (126, 406690), (134, 382410), (140, 366021), (180, 284683), (201, 254940), (210, 244014), (252, 203345), (268, 191205), (315, 162676), (335, 152964), (402, 127470), (420, 122007), (469, 109260), (603, 84980), (607, 84420), (630, 81338), (670, 76482), (804, 63735), (938, 54630), (1005, 50988), (1206, 42490), (1214, 42210), (1260, 40669), (1340, 38241), (1407, 36420), (1821, 28140), (1876, 27315), (2010, 25494), (2345, 21852), (2412, 21245), (2428, 21105), (2814, 18210), (3015, 16996), (3035, 16884), (3642, 14070), (4020, 12747), (4221, 12140), (4249, 12060), (4690, 10926), (5463, 9380), (5628, 9105), (6030, 8498), (6070, 8442), (7035, 7284)]