31581576

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 100013760

約数和(自身を除く): 68432184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 27, 36, 39, 46, 52, 54, 69, 72, 78, 81, 92, 104, 108, 117, 138, 156, 162, 163, 184, 207, 216, 234, 276, 299, 312, 324, 326, 351, 414, 468, 489, 552, 598, 621, 648, 652, 702, 828, 897, 936, 978, 1053, 1196, 1242, 1304, 1404, 1467, 1656, 1794, 1863, 1956, 2106, 2119, 2392, 2484, 2691, 2808, 2934, 3588, 3726, 3749, 3912, 4212, 4238, 4401, 4968, 5382, 5868, 6357, 7176, 7452, 7498, 8073, 8424, 8476, 8802, 10764, 11247, 11736, 12714, 13203, 14904, 14996, 16146, 16952, 17604, 19071, 21528, 22494, 24219, 25428, 26406, 29992, 32292, 33741, 35208, 38142, 44988, 48438, 48737, 50856, 52812, 57213, 64584, 67482, 76284, 89976, 96876, 97474, 101223, 105624, 114426, 134964, 146211, 152568, 171639, 193752, 194948, 202446, 228852, 269928, 292422, 303669, 343278, 389896, 404892, 438633, 457704, 584844, 607338, 686556, 809784, 877266, 1169688, 1214676, 1315899, 1373112, 1754532, 2429352, 2631798, 3509064, 3947697, 5263596, 7895394, 10527192, 15790788, 31581576]

約数ペア:

[(1, 31581576), (2, 15790788), (3, 10527192), (4, 7895394), (6, 5263596), (8, 3947697), (9, 3509064), (12, 2631798), (13, 2429352), (18, 1754532), (23, 1373112), (24, 1315899), (26, 1214676), (27, 1169688), (36, 877266), (39, 809784), (46, 686556), (52, 607338), (54, 584844), (69, 457704), (72, 438633), (78, 404892), (81, 389896), (92, 343278), (104, 303669), (108, 292422), (117, 269928), (138, 228852), (156, 202446), (162, 194948), (163, 193752), (184, 171639), (207, 152568), (216, 146211), (234, 134964), (276, 114426), (299, 105624), (312, 101223), (324, 97474), (326, 96876), (351, 89976), (414, 76284), (468, 67482), (489, 64584), (552, 57213), (598, 52812), (621, 50856), (648, 48737), (652, 48438), (702, 44988), (828, 38142), (897, 35208), (936, 33741), (978, 32292), (1053, 29992), (1196, 26406), (1242, 25428), (1304, 24219), (1404, 22494), (1467, 21528), (1656, 19071), (1794, 17604), (1863, 16952), (1956, 16146), (2106, 14996), (2119, 14904), (2392, 13203), (2484, 12714), (2691, 11736), (2808, 11247), (2934, 10764), (3588, 8802), (3726, 8476), (3749, 8424), (3912, 8073), (4212, 7498), (4238, 7452), (4401, 7176), (4968, 6357), (5382, 5868)]