2018102520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{32911}}^1$

素因数の和:33005

約数の個数: 128

約数和(自身を含む): 7014205440

約数和(自身を除く): 4996102920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 7665, 8760, 10220, 12264, 15330, 20440, 30660, 32911, 61320, 65822, 98733, 131644, 164555, 197466, 230377, 263288, 329110, 394932, 460754, 493665, 658220, 691131, 789864, 921508, 987330, 1151885, 1316440, 1382262, 1843016, 1974660, 2303770, 2402503, 2764524, 3455655, 3949320, 4607540, 4805006, 5529048, 6911310, 7207509, 9215080, 9610012, 12012515, 13822620, 14415018, 16817521, 19220024, 24025030, 27645240, 28830036, 33635042, 36037545, 48050060, 50452563, 57660072, 67270084, 72075090, 84087605, 96100120, 100905126, 134540168, 144150180, 168175210, 201810252, 252262815, 288300360, 336350420, 403620504, 504525630, 672700840, 1009051260, 2018102520]

約数ペア:

[(1, 2018102520), (2, 1009051260), (3, 672700840), (4, 504525630), (5, 403620504), (6, 336350420), (7, 288300360), (8, 252262815), (10, 201810252), (12, 168175210), (14, 144150180), (15, 134540168), (20, 100905126), (21, 96100120), (24, 84087605), (28, 72075090), (30, 67270084), (35, 57660072), (40, 50452563), (42, 48050060), (56, 36037545), (60, 33635042), (70, 28830036), (73, 27645240), (84, 24025030), (105, 19220024), (120, 16817521), (140, 14415018), (146, 13822620), (168, 12012515), (210, 9610012), (219, 9215080), (280, 7207509), (292, 6911310), (365, 5529048), (420, 4805006), (438, 4607540), (511, 3949320), (584, 3455655), (730, 2764524), (840, 2402503), (876, 2303770), (1022, 1974660), (1095, 1843016), (1460, 1382262), (1533, 1316440), (1752, 1151885), (2044, 987330), (2190, 921508), (2555, 789864), (2920, 691131), (3066, 658220), (4088, 493665), (4380, 460754), (5110, 394932), (6132, 329110), (7665, 263288), (8760, 230377), (10220, 197466), (12264, 164555), (15330, 131644), (20440, 98733), (30660, 65822), (32911, 61320)]