1640450784

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{13487}}^1$

素因数の和:13688

約数の個数: 96

約数和(自身を含む): 4948909056

約数和(自身を除く): 3308458272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 181, 224, 336, 362, 543, 672, 724, 1086, 1267, 1448, 2172, 2534, 2896, 3801, 4344, 5068, 5792, 7602, 8688, 10136, 13487, 15204, 17376, 20272, 26974, 30408, 40461, 40544, 53948, 60816, 80922, 94409, 107896, 121632, 161844, 188818, 215792, 283227, 323688, 377636, 431584, 566454, 647376, 755272, 1132908, 1294752, 1510544, 2265816, 2441147, 3021088, 4531632, 4882294, 7323441, 9063264, 9764588, 14646882, 17088029, 19529176, 29293764, 34176058, 39058352, 51264087, 58587528, 68352116, 78116704, 102528174, 117175056, 136704232, 205056348, 234350112, 273408464, 410112696, 546816928, 820225392, 1640450784]

約数ペア:

[(1, 1640450784), (2, 820225392), (3, 546816928), (4, 410112696), (6, 273408464), (7, 234350112), (8, 205056348), (12, 136704232), (14, 117175056), (16, 102528174), (21, 78116704), (24, 68352116), (28, 58587528), (32, 51264087), (42, 39058352), (48, 34176058), (56, 29293764), (84, 19529176), (96, 17088029), (112, 14646882), (168, 9764588), (181, 9063264), (224, 7323441), (336, 4882294), (362, 4531632), (543, 3021088), (672, 2441147), (724, 2265816), (1086, 1510544), (1267, 1294752), (1448, 1132908), (2172, 755272), (2534, 647376), (2896, 566454), (3801, 431584), (4344, 377636), (5068, 323688), (5792, 283227), (7602, 215792), (8688, 188818), (10136, 161844), (13487, 121632), (15204, 107896), (17376, 94409), (20272, 80922), (26974, 60816), (30408, 53948), (40461, 40544)]