80457580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 201180672

約数和(自身を除く): 120723092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 107, 131, 140, 164, 205, 214, 262, 287, 410, 428, 524, 535, 574, 655, 749, 820, 917, 1070, 1148, 1310, 1435, 1498, 1834, 2140, 2620, 2870, 2996, 3668, 3745, 4387, 4585, 5371, 5740, 7490, 8774, 9170, 10742, 14017, 14980, 17548, 18340, 21484, 21935, 26855, 28034, 30709, 37597, 43870, 53710, 56068, 61418, 70085, 75194, 87740, 98119, 107420, 122836, 140170, 150388, 153545, 187985, 196238, 280340, 307090, 375970, 392476, 490595, 574697, 614180, 751940, 981190, 1149394, 1962380, 2298788, 2873485, 4022879, 5746970, 8045758, 11493940, 16091516, 20114395, 40228790, 80457580]

約数ペア:

[(1, 80457580), (2, 40228790), (4, 20114395), (5, 16091516), (7, 11493940), (10, 8045758), (14, 5746970), (20, 4022879), (28, 2873485), (35, 2298788), (41, 1962380), (70, 1149394), (82, 981190), (107, 751940), (131, 614180), (140, 574697), (164, 490595), (205, 392476), (214, 375970), (262, 307090), (287, 280340), (410, 196238), (428, 187985), (524, 153545), (535, 150388), (574, 140170), (655, 122836), (749, 107420), (820, 98119), (917, 87740), (1070, 75194), (1148, 70085), (1310, 61418), (1435, 56068), (1498, 53710), (1834, 43870), (2140, 37597), (2620, 30709), (2870, 28034), (2996, 26855), (3668, 21935), (3745, 21484), (4387, 18340), (4585, 17548), (5371, 14980), (5740, 14017), (7490, 10742), (8774, 9170)]