256719960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{101873}}^1$

素因数の和:101897

約数の個数: 96

約数和(自身を含む): 953540640

約数和(自身を除く): 696820680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 101873, 203746, 305619, 407492, 509365, 611238, 713111, 814984, 916857, 1018730, 1222476, 1426222, 1528095, 1833714, 2037460, 2139333, 2444952, 2852444, 3056190, 3565555, 3667428, 4074920, 4278666, 4584285, 5704888, 6112380, 6417999, 7131110, 7334856, 8557332, 9168570, 10696665, 12224760, 12835998, 14262220, 17114664, 18337140, 21393330, 25671996, 28524440, 32089995, 36674280, 42786660, 51343992, 64179990, 85573320, 128359980, 256719960]

約数ペア:

[(1, 256719960), (2, 128359980), (3, 85573320), (4, 64179990), (5, 51343992), (6, 42786660), (7, 36674280), (8, 32089995), (9, 28524440), (10, 25671996), (12, 21393330), (14, 18337140), (15, 17114664), (18, 14262220), (20, 12835998), (21, 12224760), (24, 10696665), (28, 9168570), (30, 8557332), (35, 7334856), (36, 7131110), (40, 6417999), (42, 6112380), (45, 5704888), (56, 4584285), (60, 4278666), (63, 4074920), (70, 3667428), (72, 3565555), (84, 3056190), (90, 2852444), (105, 2444952), (120, 2139333), (126, 2037460), (140, 1833714), (168, 1528095), (180, 1426222), (210, 1222476), (252, 1018730), (280, 916857), (315, 814984), (360, 713111), (420, 611238), (504, 509365), (630, 407492), (840, 305619), (1260, 203746), (2520, 101873)]