66746820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 221090688

約数和(自身を除く): 154343868

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, 311, 365, 420, 438, 490, 511, 588, 622, 730, 735, 876, 933, 980, 1022, 1095, 1244, 1460, 1470, 1533, 1555, 1866, 2044, 2177, 2190, 2555, 2940, 3066, 3110, 3577, 3732, 4354, 4380, 4665, 5110, 6132, 6220, 6531, 7154, 7665, 8708, 9330, 10220, 10731, 10885, 13062, 14308, 15239, 15330, 17885, 18660, 21462, 21770, 22703, 26124, 30478, 30660, 32655, 35770, 42924, 43540, 45406, 45717, 53655, 60956, 65310, 68109, 71540, 76195, 90812, 91434, 107310, 113515, 130620, 136218, 152390, 158921, 182868, 214620, 227030, 228585, 272436, 304780, 317842, 340545, 454060, 457170, 476763, 635684, 681090, 794605, 914340, 953526, 1112447, 1362180, 1589210, 1907052, 2224894, 2383815, 3178420, 3337341, 4449788, 4767630, 5562235, 6674682, 9535260, 11124470, 13349364, 16686705, 22248940, 33373410, 66746820]

約数ペア:

[(1, 66746820), (2, 33373410), (3, 22248940), (4, 16686705), (5, 13349364), (6, 11124470), (7, 9535260), (10, 6674682), (12, 5562235), (14, 4767630), (15, 4449788), (20, 3337341), (21, 3178420), (28, 2383815), (30, 2224894), (35, 1907052), (42, 1589210), (49, 1362180), (60, 1112447), (70, 953526), (73, 914340), (84, 794605), (98, 681090), (105, 635684), (140, 476763), (146, 457170), (147, 454060), (196, 340545), (210, 317842), (219, 304780), (245, 272436), (292, 228585), (294, 227030), (311, 214620), (365, 182868), (420, 158921), (438, 152390), (490, 136218), (511, 130620), (588, 113515), (622, 107310), (730, 91434), (735, 90812), (876, 76195), (933, 71540), (980, 68109), (1022, 65310), (1095, 60956), (1244, 53655), (1460, 45717), (1470, 45406), (1533, 43540), (1555, 42924), (1866, 35770), (2044, 32655), (2177, 30660), (2190, 30478), (2555, 26124), (2940, 22703), (3066, 21770), (3110, 21462), (3577, 18660), (3732, 17885), (4354, 15330), (4380, 15239), (4665, 14308), (5110, 13062), (6132, 10885), (6220, 10731), (6531, 10220), (7154, 9330), (7665, 8708)]