65757440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 185431680

約数和(自身を除く): 119674240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 64, 70, 80, 82, 112, 128, 140, 160, 164, 179, 205, 224, 256, 280, 287, 320, 328, 358, 410, 448, 560, 574, 640, 656, 716, 820, 895, 896, 1120, 1148, 1253, 1280, 1312, 1432, 1435, 1640, 1790, 1792, 2240, 2296, 2506, 2624, 2864, 2870, 3280, 3580, 4480, 4592, 5012, 5248, 5728, 5740, 6265, 6560, 7160, 7339, 8960, 9184, 10024, 10496, 11456, 11480, 12530, 13120, 14320, 14678, 18368, 20048, 22912, 22960, 25060, 26240, 28640, 29356, 36695, 36736, 40096, 45824, 45920, 50120, 51373, 52480, 57280, 58712, 73390, 73472, 80192, 91840, 100240, 102746, 114560, 117424, 146780, 160384, 183680, 200480, 205492, 229120, 234848, 256865, 293560, 320768, 367360, 400960, 410984, 469696, 513730, 587120, 801920, 821968, 939392, 1027460, 1174240, 1603840, 1643936, 1878784, 2054920, 2348480, 3287872, 4109840, 4696960, 6575744, 8219680, 9393920, 13151488, 16439360, 32878720, 65757440]

約数ペア:

[(1, 65757440), (2, 32878720), (4, 16439360), (5, 13151488), (7, 9393920), (8, 8219680), (10, 6575744), (14, 4696960), (16, 4109840), (20, 3287872), (28, 2348480), (32, 2054920), (35, 1878784), (40, 1643936), (41, 1603840), (56, 1174240), (64, 1027460), (70, 939392), (80, 821968), (82, 801920), (112, 587120), (128, 513730), (140, 469696), (160, 410984), (164, 400960), (179, 367360), (205, 320768), (224, 293560), (256, 256865), (280, 234848), (287, 229120), (320, 205492), (328, 200480), (358, 183680), (410, 160384), (448, 146780), (560, 117424), (574, 114560), (640, 102746), (656, 100240), (716, 91840), (820, 80192), (895, 73472), (896, 73390), (1120, 58712), (1148, 57280), (1253, 52480), (1280, 51373), (1312, 50120), (1432, 45920), (1435, 45824), (1640, 40096), (1790, 36736), (1792, 36695), (2240, 29356), (2296, 28640), (2506, 26240), (2624, 25060), (2864, 22960), (2870, 22912), (3280, 20048), (3580, 18368), (4480, 14678), (4592, 14320), (5012, 13120), (5248, 12530), (5728, 11480), (5740, 11456), (6265, 10496), (6560, 10024), (7160, 9184), (7339, 8960)]