72841680

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{1249}}^1$

素因数の和:1280

約数の個数: 140

約数和(自身を含む): 254122500

約数和(自身を除く): 181280820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1249, 1296, 1458, 1620, 1944, 2160, 2430, 2498, 2916, 3240, 3645, 3747, 3888, 4860, 4996, 5832, 6245, 6480, 7290, 7494, 9720, 9992, 11241, 11664, 12490, 14580, 14988, 18735, 19440, 19984, 22482, 24980, 29160, 29976, 33723, 37470, 44964, 49960, 56205, 58320, 59952, 67446, 74940, 89928, 99920, 101169, 112410, 134892, 149880, 168615, 179856, 202338, 224820, 269784, 299760, 303507, 337230, 404676, 449640, 505845, 539568, 607014, 674460, 809352, 899280, 910521, 1011690, 1214028, 1348920, 1517535, 1618704, 1821042, 2023380, 2428056, 2697840, 3035070, 3642084, 4046760, 4552605, 4856112, 6070140, 7284168, 8093520, 9105210, 12140280, 14568336, 18210420, 24280560, 36420840, 72841680]

約数ペア:

[(1, 72841680), (2, 36420840), (3, 24280560), (4, 18210420), (5, 14568336), (6, 12140280), (8, 9105210), (9, 8093520), (10, 7284168), (12, 6070140), (15, 4856112), (16, 4552605), (18, 4046760), (20, 3642084), (24, 3035070), (27, 2697840), (30, 2428056), (36, 2023380), (40, 1821042), (45, 1618704), (48, 1517535), (54, 1348920), (60, 1214028), (72, 1011690), (80, 910521), (81, 899280), (90, 809352), (108, 674460), (120, 607014), (135, 539568), (144, 505845), (162, 449640), (180, 404676), (216, 337230), (240, 303507), (243, 299760), (270, 269784), (324, 224820), (360, 202338), (405, 179856), (432, 168615), (486, 149880), (540, 134892), (648, 112410), (720, 101169), (729, 99920), (810, 89928), (972, 74940), (1080, 67446), (1215, 59952), (1249, 58320), (1296, 56205), (1458, 49960), (1620, 44964), (1944, 37470), (2160, 33723), (2430, 29976), (2498, 29160), (2916, 24980), (3240, 22482), (3645, 19984), (3747, 19440), (3888, 18735), (4860, 14988), (4996, 14580), (5832, 12490), (6245, 11664), (6480, 11241), (7290, 9992), (7494, 9720)]