263767980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1328

約数の個数: 144

約数和(自身を含む): 871607520

約数和(自身を除く): 607839540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 196, 210, 219, 245, 292, 294, 365, 420, 438, 490, 511, 588, 730, 735, 876, 980, 1022, 1095, 1229, 1460, 1470, 1533, 2044, 2190, 2458, 2555, 2940, 3066, 3577, 3687, 4380, 4916, 5110, 6132, 6145, 7154, 7374, 7665, 8603, 10220, 10731, 12290, 14308, 14748, 15330, 17206, 17885, 18435, 21462, 24580, 25809, 30660, 34412, 35770, 36870, 42924, 43015, 51618, 53655, 60221, 71540, 73740, 86030, 89717, 103236, 107310, 120442, 129045, 172060, 179434, 180663, 214620, 240884, 258090, 269151, 301105, 358868, 361326, 448585, 516180, 538302, 602210, 628019, 722652, 897170, 903315, 1076604, 1204420, 1256038, 1345755, 1794340, 1806630, 1884057, 2512076, 2691510, 3140095, 3613260, 3768114, 4396133, 5383020, 6280190, 7536228, 8792266, 9420285, 12560380, 13188399, 17584532, 18840570, 21980665, 26376798, 37681140, 43961330, 52753596, 65941995, 87922660, 131883990, 263767980]

約数ペア:

[(1, 263767980), (2, 131883990), (3, 87922660), (4, 65941995), (5, 52753596), (6, 43961330), (7, 37681140), (10, 26376798), (12, 21980665), (14, 18840570), (15, 17584532), (20, 13188399), (21, 12560380), (28, 9420285), (30, 8792266), (35, 7536228), (42, 6280190), (49, 5383020), (60, 4396133), (70, 3768114), (73, 3613260), (84, 3140095), (98, 2691510), (105, 2512076), (140, 1884057), (146, 1806630), (147, 1794340), (196, 1345755), (210, 1256038), (219, 1204420), (245, 1076604), (292, 903315), (294, 897170), (365, 722652), (420, 628019), (438, 602210), (490, 538302), (511, 516180), (588, 448585), (730, 361326), (735, 358868), (876, 301105), (980, 269151), (1022, 258090), (1095, 240884), (1229, 214620), (1460, 180663), (1470, 179434), (1533, 172060), (2044, 129045), (2190, 120442), (2458, 107310), (2555, 103236), (2940, 89717), (3066, 86030), (3577, 73740), (3687, 71540), (4380, 60221), (4916, 53655), (5110, 51618), (6132, 43015), (6145, 42924), (7154, 36870), (7374, 35770), (7665, 34412), (8603, 30660), (10220, 25809), (10731, 24580), (12290, 21462), (14308, 18435), (14748, 17885), (15330, 17206)]