84880480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 210228480

約数和(自身を除く): 125348000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 109, 124, 155, 157, 160, 218, 248, 310, 314, 436, 496, 545, 620, 628, 785, 872, 992, 1090, 1240, 1256, 1570, 1744, 2180, 2480, 2512, 3140, 3379, 3488, 4360, 4867, 4960, 5024, 6280, 6758, 8720, 9734, 12560, 13516, 16895, 17113, 17440, 19468, 24335, 25120, 27032, 33790, 34226, 38936, 48670, 54064, 67580, 68452, 77872, 85565, 97340, 108128, 135160, 136904, 155744, 171130, 194680, 270320, 273808, 342260, 389360, 530503, 540640, 547616, 684520, 778720, 1061006, 1369040, 2122012, 2652515, 2738080, 4244024, 5305030, 8488048, 10610060, 16976096, 21220120, 42440240, 84880480]

約数ペア:

[(1, 84880480), (2, 42440240), (4, 21220120), (5, 16976096), (8, 10610060), (10, 8488048), (16, 5305030), (20, 4244024), (31, 2738080), (32, 2652515), (40, 2122012), (62, 1369040), (80, 1061006), (109, 778720), (124, 684520), (155, 547616), (157, 540640), (160, 530503), (218, 389360), (248, 342260), (310, 273808), (314, 270320), (436, 194680), (496, 171130), (545, 155744), (620, 136904), (628, 135160), (785, 108128), (872, 97340), (992, 85565), (1090, 77872), (1240, 68452), (1256, 67580), (1570, 54064), (1744, 48670), (2180, 38936), (2480, 34226), (2512, 33790), (3140, 27032), (3379, 25120), (3488, 24335), (4360, 19468), (4867, 17440), (4960, 17113), (5024, 16895), (6280, 13516), (6758, 12560), (8720, 9734)]