51726780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:756

約数の個数: 144

約数和(自身を含む): 182529984

約数和(自身を除く): 130803204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 673, 732, 854, 915, 1098, 1220, 1260, 1281, 1346, 1708, 1830, 2019, 2135, 2196, 2562, 2692, 2745, 3365, 3660, 3843, 4038, 4270, 4711, 5124, 5490, 6057, 6405, 6730, 7686, 8076, 8540, 9422, 10095, 10980, 12114, 12810, 13460, 14133, 15372, 18844, 19215, 20190, 23555, 24228, 25620, 28266, 30285, 38430, 40380, 41053, 42399, 47110, 56532, 60570, 70665, 76860, 82106, 84798, 94220, 121140, 123159, 141330, 164212, 169596, 205265, 211995, 246318, 282660, 287371, 369477, 410530, 423990, 492636, 574742, 615795, 738954, 821060, 847980, 862113, 1149484, 1231590, 1436855, 1477908, 1724226, 1847385, 2463180, 2586339, 2873710, 3448452, 3694770, 4310565, 5172678, 5747420, 7389540, 8621130, 10345356, 12931695, 17242260, 25863390, 51726780]

約数ペア:

[(1, 51726780), (2, 25863390), (3, 17242260), (4, 12931695), (5, 10345356), (6, 8621130), (7, 7389540), (9, 5747420), (10, 5172678), (12, 4310565), (14, 3694770), (15, 3448452), (18, 2873710), (20, 2586339), (21, 2463180), (28, 1847385), (30, 1724226), (35, 1477908), (36, 1436855), (42, 1231590), (45, 1149484), (60, 862113), (61, 847980), (63, 821060), (70, 738954), (84, 615795), (90, 574742), (105, 492636), (122, 423990), (126, 410530), (140, 369477), (180, 287371), (183, 282660), (210, 246318), (244, 211995), (252, 205265), (305, 169596), (315, 164212), (366, 141330), (420, 123159), (427, 121140), (549, 94220), (610, 84798), (630, 82106), (673, 76860), (732, 70665), (854, 60570), (915, 56532), (1098, 47110), (1220, 42399), (1260, 41053), (1281, 40380), (1346, 38430), (1708, 30285), (1830, 28266), (2019, 25620), (2135, 24228), (2196, 23555), (2562, 20190), (2692, 19215), (2745, 18844), (3365, 15372), (3660, 14133), (3843, 13460), (4038, 12810), (4270, 12114), (4711, 10980), (5124, 10095), (5490, 9422), (6057, 8540), (6405, 8076), (6730, 7686)]