1780528072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{907}}^1$

素因数の和:1210

約数の個数: 64

約数和(自身を含む): 3577374720

約数和(自身を除く): 1796846648

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 227, 376, 454, 907, 908, 1081, 1814, 1816, 2162, 3628, 4324, 5221, 7256, 8648, 10442, 10669, 20861, 20884, 21338, 41722, 41768, 42629, 42676, 83444, 85258, 85352, 166888, 170516, 205889, 245387, 341032, 411778, 490774, 823556, 980467, 981548, 1647112, 1960934, 1963096, 3921868, 4735447, 7843736, 9470894, 9676783, 18941788, 19353566, 37883576, 38707132, 77414264, 222566009, 445132018, 890264036, 1780528072]

約数ペア:

[(1, 1780528072), (2, 890264036), (4, 445132018), (8, 222566009), (23, 77414264), (46, 38707132), (47, 37883576), (92, 19353566), (94, 18941788), (184, 9676783), (188, 9470894), (227, 7843736), (376, 4735447), (454, 3921868), (907, 1963096), (908, 1960934), (1081, 1647112), (1814, 981548), (1816, 980467), (2162, 823556), (3628, 490774), (4324, 411778), (5221, 341032), (7256, 245387), (8648, 205889), (10442, 170516), (10669, 166888), (20861, 85352), (20884, 85258), (21338, 83444), (41722, 42676), (41768, 42629)]