81023976

素因数分解:

$2^3\times 3^7\times {\mathrm{11}}^1\times {\mathrm{421}}^1$

素因数の和:459

約数の個数: 128

約数和(自身を含む): 249148800

約数和(自身を除く): 168124824

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 243, 264, 297, 324, 396, 421, 486, 594, 648, 729, 792, 842, 891, 972, 1188, 1263, 1458, 1684, 1782, 1944, 2187, 2376, 2526, 2673, 2916, 3368, 3564, 3789, 4374, 4631, 5052, 5346, 5832, 7128, 7578, 8019, 8748, 9262, 10104, 10692, 11367, 13893, 15156, 16038, 17496, 18524, 21384, 22734, 24057, 27786, 30312, 32076, 34101, 37048, 41679, 45468, 48114, 55572, 64152, 68202, 83358, 90936, 96228, 102303, 111144, 125037, 136404, 166716, 192456, 204606, 250074, 272808, 306909, 333432, 375111, 409212, 500148, 613818, 750222, 818424, 920727, 1000296, 1125333, 1227636, 1500444, 1841454, 2250666, 2455272, 3000888, 3375999, 3682908, 4501332, 6751998, 7365816, 9002664, 10127997, 13503996, 20255994, 27007992, 40511988, 81023976]

約数ペア:

[(1, 81023976), (2, 40511988), (3, 27007992), (4, 20255994), (6, 13503996), (8, 10127997), (9, 9002664), (11, 7365816), (12, 6751998), (18, 4501332), (22, 3682908), (24, 3375999), (27, 3000888), (33, 2455272), (36, 2250666), (44, 1841454), (54, 1500444), (66, 1227636), (72, 1125333), (81, 1000296), (88, 920727), (99, 818424), (108, 750222), (132, 613818), (162, 500148), (198, 409212), (216, 375111), (243, 333432), (264, 306909), (297, 272808), (324, 250074), (396, 204606), (421, 192456), (486, 166716), (594, 136404), (648, 125037), (729, 111144), (792, 102303), (842, 96228), (891, 90936), (972, 83358), (1188, 68202), (1263, 64152), (1458, 55572), (1684, 48114), (1782, 45468), (1944, 41679), (2187, 37048), (2376, 34101), (2526, 32076), (2673, 30312), (2916, 27786), (3368, 24057), (3564, 22734), (3789, 21384), (4374, 18524), (4631, 17496), (5052, 16038), (5346, 15156), (5832, 13893), (7128, 11367), (7578, 10692), (8019, 10104), (8748, 9262)]