81617220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{607}}^1$

素因数の和:711

約数の個数: 120

約数和(自身を含む): 259547904

約数和(自身を除く): 177930684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 83, 90, 108, 135, 162, 166, 180, 249, 270, 324, 332, 405, 415, 498, 540, 607, 747, 810, 830, 996, 1214, 1245, 1494, 1620, 1660, 1821, 2241, 2428, 2490, 2988, 3035, 3642, 3735, 4482, 4980, 5463, 6070, 6723, 7284, 7470, 8964, 9105, 10926, 11205, 12140, 13446, 14940, 16389, 18210, 21852, 22410, 26892, 27315, 32778, 33615, 36420, 44820, 49167, 50381, 54630, 65556, 67230, 81945, 98334, 100762, 109260, 134460, 151143, 163890, 196668, 201524, 245835, 251905, 302286, 327780, 453429, 491670, 503810, 604572, 755715, 906858, 983340, 1007620, 1360287, 1511430, 1813716, 2267145, 2720574, 3022860, 4080861, 4534290, 5441148, 6801435, 8161722, 9068580, 13602870, 16323444, 20404305, 27205740, 40808610, 81617220]

約数ペア:

[(1, 81617220), (2, 40808610), (3, 27205740), (4, 20404305), (5, 16323444), (6, 13602870), (9, 9068580), (10, 8161722), (12, 6801435), (15, 5441148), (18, 4534290), (20, 4080861), (27, 3022860), (30, 2720574), (36, 2267145), (45, 1813716), (54, 1511430), (60, 1360287), (81, 1007620), (83, 983340), (90, 906858), (108, 755715), (135, 604572), (162, 503810), (166, 491670), (180, 453429), (249, 327780), (270, 302286), (324, 251905), (332, 245835), (405, 201524), (415, 196668), (498, 163890), (540, 151143), (607, 134460), (747, 109260), (810, 100762), (830, 98334), (996, 81945), (1214, 67230), (1245, 65556), (1494, 54630), (1620, 50381), (1660, 49167), (1821, 44820), (2241, 36420), (2428, 33615), (2490, 32778), (2988, 27315), (3035, 26892), (3642, 22410), (3735, 21852), (4482, 18210), (4980, 16389), (5463, 14940), (6070, 13446), (6723, 12140), (7284, 11205), (7470, 10926), (8964, 9105)]