12315420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 42500640

約数和(自身を除く): 30185220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 277, 285, 342, 380, 390, 468, 494, 554, 570, 585, 684, 741, 780, 831, 855, 988, 1108, 1140, 1170, 1235, 1385, 1482, 1662, 1710, 2223, 2340, 2470, 2493, 2770, 2964, 3324, 3420, 3601, 3705, 4155, 4446, 4940, 4986, 5263, 5540, 7202, 7410, 8310, 8892, 9972, 10526, 10803, 11115, 12465, 14404, 14820, 15789, 16620, 18005, 21052, 21606, 22230, 24930, 26315, 31578, 32409, 36010, 43212, 44460, 47367, 49860, 52630, 54015, 63156, 64818, 68419, 72020, 78945, 94734, 105260, 108030, 129636, 136838, 157890, 162045, 189468, 205257, 216060, 236835, 273676, 315780, 324090, 342095, 410514, 473670, 615771, 648180, 684190, 821028, 947340, 1026285, 1231542, 1368380, 2052570, 2463084, 3078855, 4105140, 6157710, 12315420]

約数ペア:

[(1, 12315420), (2, 6157710), (3, 4105140), (4, 3078855), (5, 2463084), (6, 2052570), (9, 1368380), (10, 1231542), (12, 1026285), (13, 947340), (15, 821028), (18, 684190), (19, 648180), (20, 615771), (26, 473670), (30, 410514), (36, 342095), (38, 324090), (39, 315780), (45, 273676), (52, 236835), (57, 216060), (60, 205257), (65, 189468), (76, 162045), (78, 157890), (90, 136838), (95, 129636), (114, 108030), (117, 105260), (130, 94734), (156, 78945), (171, 72020), (180, 68419), (190, 64818), (195, 63156), (228, 54015), (234, 52630), (247, 49860), (260, 47367), (277, 44460), (285, 43212), (342, 36010), (380, 32409), (390, 31578), (468, 26315), (494, 24930), (554, 22230), (570, 21606), (585, 21052), (684, 18005), (741, 16620), (780, 15789), (831, 14820), (855, 14404), (988, 12465), (1108, 11115), (1140, 10803), (1170, 10526), (1235, 9972), (1385, 8892), (1482, 8310), (1662, 7410), (1710, 7202), (2223, 5540), (2340, 5263), (2470, 4986), (2493, 4940), (2770, 4446), (2964, 4155), (3324, 3705), (3420, 3601)]