780640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 96

約数和(自身を含む): 2286144

約数和(自身を除く): 1505504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 41, 56, 68, 70, 80, 82, 85, 112, 119, 136, 140, 160, 164, 170, 205, 224, 238, 272, 280, 287, 328, 340, 410, 476, 544, 560, 574, 595, 656, 680, 697, 820, 952, 1120, 1148, 1190, 1312, 1360, 1394, 1435, 1640, 1904, 2296, 2380, 2720, 2788, 2870, 3280, 3485, 3808, 4592, 4760, 4879, 5576, 5740, 6560, 6970, 9184, 9520, 9758, 11152, 11480, 13940, 19040, 19516, 22304, 22960, 24395, 27880, 39032, 45920, 48790, 55760, 78064, 97580, 111520, 156128, 195160, 390320, 780640]

約数ペア:

[(1, 780640), (2, 390320), (4, 195160), (5, 156128), (7, 111520), (8, 97580), (10, 78064), (14, 55760), (16, 48790), (17, 45920), (20, 39032), (28, 27880), (32, 24395), (34, 22960), (35, 22304), (40, 19516), (41, 19040), (56, 13940), (68, 11480), (70, 11152), (80, 9758), (82, 9520), (85, 9184), (112, 6970), (119, 6560), (136, 5740), (140, 5576), (160, 4879), (164, 4760), (170, 4592), (205, 3808), (224, 3485), (238, 3280), (272, 2870), (280, 2788), (287, 2720), (328, 2380), (340, 2296), (410, 1904), (476, 1640), (544, 1435), (560, 1394), (574, 1360), (595, 1312), (656, 1190), (680, 1148), (697, 1120), (820, 952)]