25890840

素因数分解:

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

素因数の和:215

約数の個数: 160

約数和(自身を含む): 89123760

約数和(自身を除く): 63232920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 81, 90, 108, 120, 122, 131, 135, 162, 180, 183, 216, 244, 262, 270, 305, 324, 360, 366, 393, 405, 488, 524, 540, 549, 610, 648, 655, 732, 786, 810, 915, 1048, 1080, 1098, 1179, 1220, 1310, 1464, 1572, 1620, 1647, 1830, 1965, 2196, 2358, 2440, 2620, 2745, 3144, 3240, 3294, 3537, 3660, 3930, 4392, 4716, 4941, 5240, 5490, 5895, 6588, 7074, 7320, 7860, 7991, 8235, 9432, 9882, 10611, 10980, 11790, 13176, 14148, 15720, 15982, 16470, 17685, 19764, 21222, 21960, 23580, 23973, 24705, 28296, 31964, 32940, 35370, 39528, 39955, 42444, 47160, 47946, 49410, 53055, 63928, 65880, 70740, 71919, 79910, 84888, 95892, 98820, 106110, 119865, 141480, 143838, 159820, 191784, 197640, 212220, 215757, 239730, 287676, 319640, 359595, 424440, 431514, 479460, 575352, 647271, 719190, 863028, 958920, 1078785, 1294542, 1438380, 1726056, 2157570, 2589084, 2876760, 3236355, 4315140, 5178168, 6472710, 8630280, 12945420, 25890840]

約数ペア:

[(1, 25890840), (2, 12945420), (3, 8630280), (4, 6472710), (5, 5178168), (6, 4315140), (8, 3236355), (9, 2876760), (10, 2589084), (12, 2157570), (15, 1726056), (18, 1438380), (20, 1294542), (24, 1078785), (27, 958920), (30, 863028), (36, 719190), (40, 647271), (45, 575352), (54, 479460), (60, 431514), (61, 424440), (72, 359595), (81, 319640), (90, 287676), (108, 239730), (120, 215757), (122, 212220), (131, 197640), (135, 191784), (162, 159820), (180, 143838), (183, 141480), (216, 119865), (244, 106110), (262, 98820), (270, 95892), (305, 84888), (324, 79910), (360, 71919), (366, 70740), (393, 65880), (405, 63928), (488, 53055), (524, 49410), (540, 47946), (549, 47160), (610, 42444), (648, 39955), (655, 39528), (732, 35370), (786, 32940), (810, 31964), (915, 28296), (1048, 24705), (1080, 23973), (1098, 23580), (1179, 21960), (1220, 21222), (1310, 19764), (1464, 17685), (1572, 16470), (1620, 15982), (1647, 15720), (1830, 14148), (1965, 13176), (2196, 11790), (2358, 10980), (2440, 10611), (2620, 9882), (2745, 9432), (3144, 8235), (3240, 7991), (3294, 7860), (3537, 7320), (3660, 7074), (3930, 6588), (4392, 5895), (4716, 5490), (4941, 5240)]