72118080

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:534

約数の個数: 224

約数和(自身を含む): 269930880

約数和(自身を除く): 197812800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 408, 432, 459, 480, 491, 510, 540, 544, 576, 612, 680, 720, 765, 816, 864, 918, 960, 982, 1020, 1080, 1088, 1224, 1360, 1440, 1473, 1530, 1632, 1728, 1836, 1964, 2040, 2160, 2295, 2448, 2455, 2720, 2880, 2946, 3060, 3264, 3672, 3928, 4080, 4320, 4419, 4590, 4896, 4910, 5440, 5892, 6120, 7344, 7365, 7856, 8160, 8347, 8640, 8838, 9180, 9792, 9820, 11784, 12240, 13257, 14688, 14730, 15712, 16320, 16694, 17676, 18360, 19640, 22095, 23568, 24480, 25041, 26514, 29376, 29460, 31424, 33388, 35352, 36720, 39280, 41735, 44190, 47136, 48960, 50082, 53028, 58920, 66285, 66776, 70704, 73440, 75123, 78560, 83470, 88380, 94272, 100164, 106056, 117840, 125205, 132570, 133552, 141408, 146880, 150246, 157120, 166940, 176760, 200328, 212112, 225369, 235680, 250410, 265140, 267104, 282816, 300492, 333880, 353520, 375615, 400656, 424224, 450738, 471360, 500820, 530280, 534208, 600984, 667760, 707040, 751230, 801312, 848448, 901476, 1001640, 1060560, 1126845, 1201968, 1335520, 1414080, 1502460, 1602624, 1802952, 2003280, 2121120, 2253690, 2403936, 2671040, 3004920, 3605904, 4006560, 4242240, 4507380, 4807872, 6009840, 7211808, 8013120, 9014760, 12019680, 14423616, 18029520, 24039360, 36059040, 72118080]

約数ペア:

[(1, 72118080), (2, 36059040), (3, 24039360), (4, 18029520), (5, 14423616), (6, 12019680), (8, 9014760), (9, 8013120), (10, 7211808), (12, 6009840), (15, 4807872), (16, 4507380), (17, 4242240), (18, 4006560), (20, 3605904), (24, 3004920), (27, 2671040), (30, 2403936), (32, 2253690), (34, 2121120), (36, 2003280), (40, 1802952), (45, 1602624), (48, 1502460), (51, 1414080), (54, 1335520), (60, 1201968), (64, 1126845), (68, 1060560), (72, 1001640), (80, 901476), (85, 848448), (90, 801312), (96, 751230), (102, 707040), (108, 667760), (120, 600984), (135, 534208), (136, 530280), (144, 500820), (153, 471360), (160, 450738), (170, 424224), (180, 400656), (192, 375615), (204, 353520), (216, 333880), (240, 300492), (255, 282816), (270, 267104), (272, 265140), (288, 250410), (306, 235680), (320, 225369), (340, 212112), (360, 200328), (408, 176760), (432, 166940), (459, 157120), (480, 150246), (491, 146880), (510, 141408), (540, 133552), (544, 132570), (576, 125205), (612, 117840), (680, 106056), (720, 100164), (765, 94272), (816, 88380), (864, 83470), (918, 78560), (960, 75123), (982, 73440), (1020, 70704), (1080, 66776), (1088, 66285), (1224, 58920), (1360, 53028), (1440, 50082), (1473, 48960), (1530, 47136), (1632, 44190), (1728, 41735), (1836, 39280), (1964, 36720), (2040, 35352), (2160, 33388), (2295, 31424), (2448, 29460), (2455, 29376), (2720, 26514), (2880, 25041), (2946, 24480), (3060, 23568), (3264, 22095), (3672, 19640), (3928, 18360), (4080, 17676), (4320, 16694), (4419, 16320), (4590, 15712), (4896, 14730), (4910, 14688), (5440, 13257), (5892, 12240), (6120, 11784), (7344, 9820), (7365, 9792), (7856, 9180), (8160, 8838), (8347, 8640)]