321260520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2113}}^1$

素因数の和:2315

約数の個数: 128

約数和(自身を含む): 1108074240

約数和(自身を除く): 786813720

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, 84, 105, 120, 140, 168, 181, 210, 280, 362, 420, 543, 724, 840, 905, 1086, 1267, 1448, 1810, 2113, 2172, 2534, 2715, 3620, 3801, 4226, 4344, 5068, 5430, 6335, 6339, 7240, 7602, 8452, 10136, 10565, 10860, 12670, 12678, 14791, 15204, 16904, 19005, 21130, 21720, 25340, 25356, 29582, 30408, 31695, 38010, 42260, 44373, 50680, 50712, 59164, 63390, 73955, 76020, 84520, 88746, 118328, 126780, 147910, 152040, 177492, 221865, 253560, 295820, 354984, 382453, 443730, 591640, 764906, 887460, 1147359, 1529812, 1774920, 1912265, 2294718, 2677171, 3059624, 3824530, 4589436, 5354342, 5736795, 7649060, 8031513, 9178872, 10708684, 11473590, 13385855, 15298120, 16063026, 21417368, 22947180, 26771710, 32126052, 40157565, 45894360, 53543420, 64252104, 80315130, 107086840, 160630260, 321260520]

約数ペア:

[(1, 321260520), (2, 160630260), (3, 107086840), (4, 80315130), (5, 64252104), (6, 53543420), (7, 45894360), (8, 40157565), (10, 32126052), (12, 26771710), (14, 22947180), (15, 21417368), (20, 16063026), (21, 15298120), (24, 13385855), (28, 11473590), (30, 10708684), (35, 9178872), (40, 8031513), (42, 7649060), (56, 5736795), (60, 5354342), (70, 4589436), (84, 3824530), (105, 3059624), (120, 2677171), (140, 2294718), (168, 1912265), (181, 1774920), (210, 1529812), (280, 1147359), (362, 887460), (420, 764906), (543, 591640), (724, 443730), (840, 382453), (905, 354984), (1086, 295820), (1267, 253560), (1448, 221865), (1810, 177492), (2113, 152040), (2172, 147910), (2534, 126780), (2715, 118328), (3620, 88746), (3801, 84520), (4226, 76020), (4344, 73955), (5068, 63390), (5430, 59164), (6335, 50712), (6339, 50680), (7240, 44373), (7602, 42260), (8452, 38010), (10136, 31695), (10565, 30408), (10860, 29582), (12670, 25356), (12678, 25340), (14791, 21720), (15204, 21130), (16904, 19005)]