57721860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:834

約数の個数: 144

約数和(自身を含む): 203653632

約数和(自身を除く): 145931772

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, 732, 751, 854, 915, 1098, 1220, 1260, 1281, 1502, 1708, 1830, 2135, 2196, 2253, 2562, 2745, 3004, 3660, 3755, 3843, 4270, 4506, 5124, 5257, 5490, 6405, 6759, 7510, 7686, 8540, 9012, 10514, 10980, 11265, 12810, 13518, 15020, 15372, 15771, 19215, 21028, 22530, 25620, 26285, 27036, 31542, 33795, 38430, 45060, 45811, 47313, 52570, 63084, 67590, 76860, 78855, 91622, 94626, 105140, 135180, 137433, 157710, 183244, 189252, 229055, 236565, 274866, 315420, 320677, 412299, 458110, 473130, 549732, 641354, 687165, 824598, 916220, 946260, 962031, 1282708, 1374330, 1603385, 1649196, 1924062, 2061495, 2748660, 2886093, 3206770, 3848124, 4122990, 4810155, 5772186, 6413540, 8245980, 9620310, 11544372, 14430465, 19240620, 28860930, 57721860]

約数ペア:

[(1, 57721860), (2, 28860930), (3, 19240620), (4, 14430465), (5, 11544372), (6, 9620310), (7, 8245980), (9, 6413540), (10, 5772186), (12, 4810155), (14, 4122990), (15, 3848124), (18, 3206770), (20, 2886093), (21, 2748660), (28, 2061495), (30, 1924062), (35, 1649196), (36, 1603385), (42, 1374330), (45, 1282708), (60, 962031), (61, 946260), (63, 916220), (70, 824598), (84, 687165), (90, 641354), (105, 549732), (122, 473130), (126, 458110), (140, 412299), (180, 320677), (183, 315420), (210, 274866), (244, 236565), (252, 229055), (305, 189252), (315, 183244), (366, 157710), (420, 137433), (427, 135180), (549, 105140), (610, 94626), (630, 91622), (732, 78855), (751, 76860), (854, 67590), (915, 63084), (1098, 52570), (1220, 47313), (1260, 45811), (1281, 45060), (1502, 38430), (1708, 33795), (1830, 31542), (2135, 27036), (2196, 26285), (2253, 25620), (2562, 22530), (2745, 21028), (3004, 19215), (3660, 15771), (3755, 15372), (3843, 15020), (4270, 13518), (4506, 12810), (5124, 11265), (5257, 10980), (5490, 10514), (6405, 9012), (6759, 8540), (7510, 7686)]