1780495830

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{46769}}^1$

素因数の和:46835

約数の個数: 80

約数和(自身を含む): 4889522880

約数和(自身を除く): 3109027050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 81, 90, 94, 135, 141, 162, 235, 270, 282, 405, 423, 470, 705, 810, 846, 1269, 1410, 2115, 2538, 3807, 4230, 6345, 7614, 12690, 19035, 38070, 46769, 93538, 140307, 233845, 280614, 420921, 467690, 701535, 841842, 1262763, 1403070, 2104605, 2198143, 2525526, 3788289, 4209210, 4396286, 6313815, 6594429, 7576578, 10990715, 12627630, 13188858, 18941445, 19783287, 21981430, 32972145, 37882890, 39566574, 59349861, 65944290, 98916435, 118699722, 178049583, 197832870, 296749305, 356099166, 593498610, 890247915, 1780495830]

約数ペア:

[(1, 1780495830), (2, 890247915), (3, 593498610), (5, 356099166), (6, 296749305), (9, 197832870), (10, 178049583), (15, 118699722), (18, 98916435), (27, 65944290), (30, 59349861), (45, 39566574), (47, 37882890), (54, 32972145), (81, 21981430), (90, 19783287), (94, 18941445), (135, 13188858), (141, 12627630), (162, 10990715), (235, 7576578), (270, 6594429), (282, 6313815), (405, 4396286), (423, 4209210), (470, 3788289), (705, 2525526), (810, 2198143), (846, 2104605), (1269, 1403070), (1410, 1262763), (2115, 841842), (2538, 701535), (3807, 467690), (4230, 420921), (6345, 280614), (7614, 233845), (12690, 140307), (19035, 93538), (38070, 46769)]