219871620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:694

約数の個数: 144

約数和(自身を含む): 700605360

約数和(自身を除く): 480733740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 73, 87, 90, 116, 145, 146, 174, 180, 219, 261, 290, 292, 348, 365, 435, 438, 522, 577, 580, 657, 730, 870, 876, 1044, 1095, 1154, 1305, 1314, 1460, 1731, 1740, 2117, 2190, 2308, 2610, 2628, 2885, 3285, 3462, 4234, 4380, 5193, 5220, 5770, 6351, 6570, 6924, 8468, 8655, 10386, 10585, 11540, 12702, 13140, 16733, 17310, 19053, 20772, 21170, 25404, 25965, 31755, 33466, 34620, 38106, 42121, 42340, 50199, 51930, 63510, 66932, 76212, 83665, 84242, 95265, 100398, 103860, 126363, 127020, 150597, 167330, 168484, 190530, 200796, 210605, 250995, 252726, 301194, 334660, 379089, 381060, 421210, 501990, 505452, 602388, 631815, 752985, 758178, 842420, 1003980, 1221509, 1263630, 1505970, 1516356, 1895445, 2443018, 2527260, 3011940, 3664527, 3790890, 4886036, 6107545, 7329054, 7581780, 10993581, 12215090, 14658108, 18322635, 21987162, 24430180, 36645270, 43974324, 54967905, 73290540, 109935810, 219871620]

約数ペア:

[(1, 219871620), (2, 109935810), (3, 73290540), (4, 54967905), (5, 43974324), (6, 36645270), (9, 24430180), (10, 21987162), (12, 18322635), (15, 14658108), (18, 12215090), (20, 10993581), (29, 7581780), (30, 7329054), (36, 6107545), (45, 4886036), (58, 3790890), (60, 3664527), (73, 3011940), (87, 2527260), (90, 2443018), (116, 1895445), (145, 1516356), (146, 1505970), (174, 1263630), (180, 1221509), (219, 1003980), (261, 842420), (290, 758178), (292, 752985), (348, 631815), (365, 602388), (435, 505452), (438, 501990), (522, 421210), (577, 381060), (580, 379089), (657, 334660), (730, 301194), (870, 252726), (876, 250995), (1044, 210605), (1095, 200796), (1154, 190530), (1305, 168484), (1314, 167330), (1460, 150597), (1731, 127020), (1740, 126363), (2117, 103860), (2190, 100398), (2308, 95265), (2610, 84242), (2628, 83665), (2885, 76212), (3285, 66932), (3462, 63510), (4234, 51930), (4380, 50199), (5193, 42340), (5220, 42121), (5770, 38106), (6351, 34620), (6570, 33466), (6924, 31755), (8468, 25965), (8655, 25404), (10386, 21170), (10585, 20772), (11540, 19053), (12702, 17310), (13140, 16733)]