70858240

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:423

約数の個数: 80

約数和(自身を含む): 172355040

約数和(自身を除く): 101496800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 311, 320, 356, 445, 512, 622, 640, 712, 890, 1244, 1280, 1424, 1555, 1780, 2488, 2560, 2848, 3110, 3560, 4976, 5696, 6220, 7120, 9952, 11392, 12440, 14240, 19904, 22784, 24880, 27679, 28480, 39808, 45568, 49760, 55358, 56960, 79616, 99520, 110716, 113920, 138395, 159232, 199040, 221432, 227840, 276790, 398080, 442864, 553580, 796160, 885728, 1107160, 1771456, 2214320, 3542912, 4428640, 7085824, 8857280, 14171648, 17714560, 35429120, 70858240]

約数ペア:

[(1, 70858240), (2, 35429120), (4, 17714560), (5, 14171648), (8, 8857280), (10, 7085824), (16, 4428640), (20, 3542912), (32, 2214320), (40, 1771456), (64, 1107160), (80, 885728), (89, 796160), (128, 553580), (160, 442864), (178, 398080), (256, 276790), (311, 227840), (320, 221432), (356, 199040), (445, 159232), (512, 138395), (622, 113920), (640, 110716), (712, 99520), (890, 79616), (1244, 56960), (1280, 55358), (1424, 49760), (1555, 45568), (1780, 39808), (2488, 28480), (2560, 27679), (2848, 24880), (3110, 22784), (3560, 19904), (4976, 14240), (5696, 12440), (6220, 11392), (7120, 9952)]