11817780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 36220800

約数和(自身を除く): 24403020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 109, 130, 139, 156, 195, 218, 260, 278, 327, 390, 417, 436, 545, 556, 654, 695, 780, 834, 1090, 1308, 1390, 1417, 1635, 1668, 1807, 2085, 2180, 2780, 2834, 3270, 3614, 4170, 4251, 5421, 5668, 6540, 7085, 7228, 8340, 8502, 9035, 10842, 14170, 15151, 17004, 18070, 21255, 21684, 27105, 28340, 30302, 36140, 42510, 45453, 54210, 60604, 75755, 85020, 90906, 108420, 151510, 181812, 196963, 227265, 303020, 393926, 454530, 590889, 787852, 909060, 984815, 1181778, 1969630, 2363556, 2954445, 3939260, 5908890, 11817780]

約数ペア:

[(1, 11817780), (2, 5908890), (3, 3939260), (4, 2954445), (5, 2363556), (6, 1969630), (10, 1181778), (12, 984815), (13, 909060), (15, 787852), (20, 590889), (26, 454530), (30, 393926), (39, 303020), (52, 227265), (60, 196963), (65, 181812), (78, 151510), (109, 108420), (130, 90906), (139, 85020), (156, 75755), (195, 60604), (218, 54210), (260, 45453), (278, 42510), (327, 36140), (390, 30302), (417, 28340), (436, 27105), (545, 21684), (556, 21255), (654, 18070), (695, 17004), (780, 15151), (834, 14170), (1090, 10842), (1308, 9035), (1390, 8502), (1417, 8340), (1635, 7228), (1668, 7085), (1807, 6540), (2085, 5668), (2180, 5421), (2780, 4251), (2834, 4170), (3270, 3614)]