131510680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 354816000

約数和(自身を除く): 223305320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 109, 124, 139, 140, 155, 217, 218, 248, 278, 280, 310, 434, 436, 545, 556, 620, 695, 763, 868, 872, 973, 1085, 1090, 1112, 1240, 1390, 1526, 1736, 1946, 2170, 2180, 2780, 3052, 3379, 3815, 3892, 4309, 4340, 4360, 4865, 5560, 6104, 6758, 7630, 7784, 8618, 8680, 9730, 13516, 15151, 15260, 16895, 17236, 19460, 21545, 23653, 27032, 30163, 30302, 30520, 33790, 34472, 38920, 43090, 47306, 60326, 60604, 67580, 75755, 86180, 94612, 106057, 118265, 120652, 121208, 135160, 150815, 151510, 172360, 189224, 212114, 236530, 241304, 301630, 303020, 424228, 469681, 473060, 530285, 603260, 606040, 848456, 939362, 946120, 1060570, 1206520, 1878724, 2121140, 2348405, 3287767, 3757448, 4242280, 4696810, 6575534, 9393620, 13151068, 16438835, 18787240, 26302136, 32877670, 65755340, 131510680]

約数ペア:

[(1, 131510680), (2, 65755340), (4, 32877670), (5, 26302136), (7, 18787240), (8, 16438835), (10, 13151068), (14, 9393620), (20, 6575534), (28, 4696810), (31, 4242280), (35, 3757448), (40, 3287767), (56, 2348405), (62, 2121140), (70, 1878724), (109, 1206520), (124, 1060570), (139, 946120), (140, 939362), (155, 848456), (217, 606040), (218, 603260), (248, 530285), (278, 473060), (280, 469681), (310, 424228), (434, 303020), (436, 301630), (545, 241304), (556, 236530), (620, 212114), (695, 189224), (763, 172360), (868, 151510), (872, 150815), (973, 135160), (1085, 121208), (1090, 120652), (1112, 118265), (1240, 106057), (1390, 94612), (1526, 86180), (1736, 75755), (1946, 67580), (2170, 60604), (2180, 60326), (2780, 47306), (3052, 43090), (3379, 38920), (3815, 34472), (3892, 33790), (4309, 30520), (4340, 30302), (4360, 30163), (4865, 27032), (5560, 23653), (6104, 21545), (6758, 19460), (7630, 17236), (7784, 16895), (8618, 15260), (8680, 15151), (9730, 13516)]