12945420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 41591088

約数和(自身を除く): 28645668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 131, 135, 162, 180, 183, 244, 262, 270, 305, 324, 366, 393, 405, 524, 540, 549, 610, 655, 732, 786, 810, 915, 1098, 1179, 1220, 1310, 1572, 1620, 1647, 1830, 1965, 2196, 2358, 2620, 2745, 3294, 3537, 3660, 3930, 4716, 4941, 5490, 5895, 6588, 7074, 7860, 7991, 8235, 9882, 10611, 10980, 11790, 14148, 15982, 16470, 17685, 19764, 21222, 23580, 23973, 24705, 31964, 32940, 35370, 39955, 42444, 47946, 49410, 53055, 70740, 71919, 79910, 95892, 98820, 106110, 119865, 143838, 159820, 212220, 215757, 239730, 287676, 359595, 431514, 479460, 647271, 719190, 863028, 1078785, 1294542, 1438380, 2157570, 2589084, 3236355, 4315140, 6472710, 12945420]

約数ペア:

[(1, 12945420), (2, 6472710), (3, 4315140), (4, 3236355), (5, 2589084), (6, 2157570), (9, 1438380), (10, 1294542), (12, 1078785), (15, 863028), (18, 719190), (20, 647271), (27, 479460), (30, 431514), (36, 359595), (45, 287676), (54, 239730), (60, 215757), (61, 212220), (81, 159820), (90, 143838), (108, 119865), (122, 106110), (131, 98820), (135, 95892), (162, 79910), (180, 71919), (183, 70740), (244, 53055), (262, 49410), (270, 47946), (305, 42444), (324, 39955), (366, 35370), (393, 32940), (405, 31964), (524, 24705), (540, 23973), (549, 23580), (610, 21222), (655, 19764), (732, 17685), (786, 16470), (810, 15982), (915, 14148), (1098, 11790), (1179, 10980), (1220, 10611), (1310, 9882), (1572, 8235), (1620, 7991), (1647, 7860), (1830, 7074), (1965, 6588), (2196, 5895), (2358, 5490), (2620, 4941), (2745, 4716), (3294, 3930), (3537, 3660)]