70472920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 195747840

約数和(自身を除く): 125274920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 92, 115, 124, 140, 155, 161, 184, 217, 230, 248, 280, 310, 322, 353, 434, 460, 620, 644, 706, 713, 805, 868, 920, 1085, 1240, 1288, 1412, 1426, 1610, 1736, 1765, 2170, 2471, 2824, 2852, 3220, 3530, 3565, 4340, 4942, 4991, 5704, 6440, 7060, 7130, 8119, 8680, 9884, 9982, 10943, 12355, 14120, 14260, 16238, 19768, 19964, 21886, 24710, 24955, 28520, 32476, 39928, 40595, 43772, 49420, 49910, 54715, 56833, 64952, 76601, 81190, 87544, 98840, 99820, 109430, 113666, 153202, 162380, 199640, 218860, 227332, 251689, 284165, 306404, 324760, 383005, 437720, 454664, 503378, 568330, 612808, 766010, 1006756, 1136660, 1258445, 1532020, 1761823, 2013512, 2273320, 2516890, 3064040, 3523646, 5033780, 7047292, 8809115, 10067560, 14094584, 17618230, 35236460, 70472920]

約数ペア:

[(1, 70472920), (2, 35236460), (4, 17618230), (5, 14094584), (7, 10067560), (8, 8809115), (10, 7047292), (14, 5033780), (20, 3523646), (23, 3064040), (28, 2516890), (31, 2273320), (35, 2013512), (40, 1761823), (46, 1532020), (56, 1258445), (62, 1136660), (70, 1006756), (92, 766010), (115, 612808), (124, 568330), (140, 503378), (155, 454664), (161, 437720), (184, 383005), (217, 324760), (230, 306404), (248, 284165), (280, 251689), (310, 227332), (322, 218860), (353, 199640), (434, 162380), (460, 153202), (620, 113666), (644, 109430), (706, 99820), (713, 98840), (805, 87544), (868, 81190), (920, 76601), (1085, 64952), (1240, 56833), (1288, 54715), (1412, 49910), (1426, 49420), (1610, 43772), (1736, 40595), (1765, 39928), (2170, 32476), (2471, 28520), (2824, 24955), (2852, 24710), (3220, 21886), (3530, 19964), (3565, 19768), (4340, 16238), (4942, 14260), (4991, 14120), (5704, 12355), (6440, 10943), (7060, 9982), (7130, 9884), (8119, 8680)]