81132840

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:534

約数の個数: 192

約数和(自身を含む): 290122560

約数和(自身を除く): 208989720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 243, 255, 270, 306, 324, 340, 360, 405, 408, 459, 486, 491, 510, 540, 612, 648, 680, 765, 810, 918, 972, 982, 1020, 1080, 1215, 1224, 1377, 1473, 1530, 1620, 1836, 1944, 1964, 2040, 2295, 2430, 2455, 2754, 2946, 3060, 3240, 3672, 3928, 4131, 4419, 4590, 4860, 4910, 5508, 5892, 6120, 6885, 7365, 8262, 8347, 8838, 9180, 9720, 9820, 11016, 11784, 13257, 13770, 14730, 16524, 16694, 17676, 18360, 19640, 20655, 22095, 25041, 26514, 27540, 29460, 33048, 33388, 35352, 39771, 41310, 41735, 44190, 50082, 53028, 55080, 58920, 66285, 66776, 75123, 79542, 82620, 83470, 88380, 100164, 106056, 119313, 125205, 132570, 150246, 159084, 165240, 166940, 176760, 198855, 200328, 225369, 238626, 250410, 265140, 300492, 318168, 333880, 375615, 397710, 450738, 477252, 500820, 530280, 596565, 600984, 676107, 751230, 795420, 901476, 954504, 1001640, 1126845, 1193130, 1352214, 1502460, 1590840, 1802952, 2028321, 2253690, 2386260, 2704428, 3004920, 3380535, 4056642, 4507380, 4772520, 5408856, 6761070, 8113284, 9014760, 10141605, 13522140, 16226568, 20283210, 27044280, 40566420, 81132840]

約数ペア:

[(1, 81132840), (2, 40566420), (3, 27044280), (4, 20283210), (5, 16226568), (6, 13522140), (8, 10141605), (9, 9014760), (10, 8113284), (12, 6761070), (15, 5408856), (17, 4772520), (18, 4507380), (20, 4056642), (24, 3380535), (27, 3004920), (30, 2704428), (34, 2386260), (36, 2253690), (40, 2028321), (45, 1802952), (51, 1590840), (54, 1502460), (60, 1352214), (68, 1193130), (72, 1126845), (81, 1001640), (85, 954504), (90, 901476), (102, 795420), (108, 751230), (120, 676107), (135, 600984), (136, 596565), (153, 530280), (162, 500820), (170, 477252), (180, 450738), (204, 397710), (216, 375615), (243, 333880), (255, 318168), (270, 300492), (306, 265140), (324, 250410), (340, 238626), (360, 225369), (405, 200328), (408, 198855), (459, 176760), (486, 166940), (491, 165240), (510, 159084), (540, 150246), (612, 132570), (648, 125205), (680, 119313), (765, 106056), (810, 100164), (918, 88380), (972, 83470), (982, 82620), (1020, 79542), (1080, 75123), (1215, 66776), (1224, 66285), (1377, 58920), (1473, 55080), (1530, 53028), (1620, 50082), (1836, 44190), (1944, 41735), (1964, 41310), (2040, 39771), (2295, 35352), (2430, 33388), (2455, 33048), (2754, 29460), (2946, 27540), (3060, 26514), (3240, 25041), (3672, 22095), (3928, 20655), (4131, 19640), (4419, 18360), (4590, 17676), (4860, 16694), (4910, 16524), (5508, 14730), (5892, 13770), (6120, 13257), (6885, 11784), (7365, 11016), (8262, 9820), (8347, 9720), (8838, 9180)]