80209260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 262080000

約数和(自身を除く): 181870740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 282, 285, 342, 380, 423, 470, 499, 564, 570, 684, 705, 846, 855, 893, 940, 998, 1140, 1410, 1497, 1692, 1710, 1786, 1996, 2115, 2495, 2679, 2820, 2994, 3420, 3572, 4230, 4465, 4491, 4990, 5358, 5988, 7485, 8037, 8460, 8930, 8982, 9481, 9980, 10716, 13395, 14970, 16074, 17860, 17964, 18962, 22455, 23453, 26790, 28443, 29940, 32148, 37924, 40185, 44910, 46906, 47405, 53580, 56886, 70359, 80370, 85329, 89820, 93812, 94810, 113772, 117265, 140718, 142215, 160740, 170658, 189620, 211077, 234530, 281436, 284430, 341316, 351795, 422154, 426645, 445607, 469060, 568860, 703590, 844308, 853290, 891214, 1055385, 1336821, 1407180, 1706580, 1782428, 2110770, 2228035, 2673642, 4010463, 4221540, 4456070, 5347284, 6684105, 8020926, 8912140, 13368210, 16041852, 20052315, 26736420, 40104630, 80209260]

約数ペア:

[(1, 80209260), (2, 40104630), (3, 26736420), (4, 20052315), (5, 16041852), (6, 13368210), (9, 8912140), (10, 8020926), (12, 6684105), (15, 5347284), (18, 4456070), (19, 4221540), (20, 4010463), (30, 2673642), (36, 2228035), (38, 2110770), (45, 1782428), (47, 1706580), (57, 1407180), (60, 1336821), (76, 1055385), (90, 891214), (94, 853290), (95, 844308), (114, 703590), (141, 568860), (171, 469060), (180, 445607), (188, 426645), (190, 422154), (228, 351795), (235, 341316), (282, 284430), (285, 281436), (342, 234530), (380, 211077), (423, 189620), (470, 170658), (499, 160740), (564, 142215), (570, 140718), (684, 117265), (705, 113772), (846, 94810), (855, 93812), (893, 89820), (940, 85329), (998, 80370), (1140, 70359), (1410, 56886), (1497, 53580), (1692, 47405), (1710, 46906), (1786, 44910), (1996, 40185), (2115, 37924), (2495, 32148), (2679, 29940), (2820, 28443), (2994, 26790), (3420, 23453), (3572, 22455), (4230, 18962), (4465, 17964), (4491, 17860), (4990, 16074), (5358, 14970), (5988, 13395), (7485, 10716), (8037, 9980), (8460, 9481), (8930, 8982)]