80128890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1076

約数の個数: 96

約数和(自身を含む): 224190720

約数和(自身を除く): 144061830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 47, 57, 90, 94, 95, 114, 141, 171, 190, 235, 282, 285, 342, 423, 470, 570, 705, 846, 855, 893, 997, 1410, 1710, 1786, 1994, 2115, 2679, 2991, 4230, 4465, 4985, 5358, 5982, 8037, 8930, 8973, 9970, 13395, 14955, 16074, 17946, 18943, 26790, 29910, 37886, 40185, 44865, 46859, 56829, 80370, 89730, 93718, 94715, 113658, 140577, 170487, 189430, 234295, 281154, 284145, 340974, 421731, 468590, 568290, 702885, 843462, 852435, 890321, 1405770, 1704870, 1780642, 2108655, 2670963, 4217310, 4451605, 5341926, 8012889, 8903210, 13354815, 16025778, 26709630, 40064445, 80128890]

約数ペア:

[(1, 80128890), (2, 40064445), (3, 26709630), (5, 16025778), (6, 13354815), (9, 8903210), (10, 8012889), (15, 5341926), (18, 4451605), (19, 4217310), (30, 2670963), (38, 2108655), (45, 1780642), (47, 1704870), (57, 1405770), (90, 890321), (94, 852435), (95, 843462), (114, 702885), (141, 568290), (171, 468590), (190, 421731), (235, 340974), (282, 284145), (285, 281154), (342, 234295), (423, 189430), (470, 170487), (570, 140577), (705, 113658), (846, 94715), (855, 93718), (893, 89730), (997, 80370), (1410, 56829), (1710, 46859), (1786, 44865), (1994, 40185), (2115, 37886), (2679, 29910), (2991, 26790), (4230, 18943), (4465, 17946), (4985, 16074), (5358, 14955), (5982, 13395), (8037, 9970), (8930, 8973)]