161745220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:701

約数の個数: 96

約数和(自身を含む): 421214976

約数和(自身を除く): 259469756

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 181, 182, 260, 362, 364, 455, 491, 724, 905, 910, 982, 1267, 1810, 1820, 1964, 2353, 2455, 2534, 3437, 3620, 4706, 4910, 5068, 6335, 6383, 6874, 9412, 9820, 11765, 12670, 12766, 13748, 16471, 17185, 23530, 25340, 25532, 31915, 32942, 34370, 44681, 47060, 63830, 65884, 68740, 82355, 88871, 89362, 127660, 164710, 177742, 178724, 223405, 329420, 355484, 444355, 446810, 622097, 888710, 893620, 1155323, 1244194, 1777420, 2310646, 2488388, 3110485, 4621292, 5776615, 6220970, 8087261, 11553230, 12441940, 16174522, 23106460, 32349044, 40436305, 80872610, 161745220]

約数ペア:

[(1, 161745220), (2, 80872610), (4, 40436305), (5, 32349044), (7, 23106460), (10, 16174522), (13, 12441940), (14, 11553230), (20, 8087261), (26, 6220970), (28, 5776615), (35, 4621292), (52, 3110485), (65, 2488388), (70, 2310646), (91, 1777420), (130, 1244194), (140, 1155323), (181, 893620), (182, 888710), (260, 622097), (362, 446810), (364, 444355), (455, 355484), (491, 329420), (724, 223405), (905, 178724), (910, 177742), (982, 164710), (1267, 127660), (1810, 89362), (1820, 88871), (1964, 82355), (2353, 68740), (2455, 65884), (2534, 63830), (3437, 47060), (3620, 44681), (4706, 34370), (4910, 32942), (5068, 31915), (6335, 25532), (6383, 25340), (6874, 23530), (9412, 17185), (9820, 16471), (11765, 13748), (12670, 12766)]