40517820

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{397}}^1$

素因数の和:431

約数の個数: 168

約数和(自身を含む): 146164704

約数和(自身を除く): 105646884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 397, 405, 420, 486, 540, 567, 630, 729, 756, 794, 810, 945, 972, 1134, 1191, 1215, 1260, 1458, 1588, 1620, 1701, 1890, 1985, 2268, 2382, 2430, 2779, 2835, 2916, 3402, 3573, 3645, 3780, 3970, 4764, 4860, 5103, 5558, 5670, 5955, 6804, 7146, 7290, 7940, 8337, 8505, 10206, 10719, 11116, 11340, 11910, 13895, 14292, 14580, 16674, 17010, 17865, 20412, 21438, 23820, 25011, 25515, 27790, 32157, 33348, 34020, 35730, 41685, 42876, 50022, 51030, 53595, 55580, 64314, 71460, 75033, 83370, 96471, 100044, 102060, 107190, 125055, 128628, 150066, 160785, 166740, 192942, 214380, 225099, 250110, 289413, 300132, 321570, 375165, 385884, 450198, 482355, 500220, 578826, 643140, 675297, 750330, 900396, 964710, 1125495, 1157652, 1350594, 1447065, 1500660, 1929420, 2025891, 2250990, 2701188, 2894130, 3376485, 4051782, 4501980, 5788260, 6752970, 8103564, 10129455, 13505940, 20258910, 40517820]

約数ペア:

[(1, 40517820), (2, 20258910), (3, 13505940), (4, 10129455), (5, 8103564), (6, 6752970), (7, 5788260), (9, 4501980), (10, 4051782), (12, 3376485), (14, 2894130), (15, 2701188), (18, 2250990), (20, 2025891), (21, 1929420), (27, 1500660), (28, 1447065), (30, 1350594), (35, 1157652), (36, 1125495), (42, 964710), (45, 900396), (54, 750330), (60, 675297), (63, 643140), (70, 578826), (81, 500220), (84, 482355), (90, 450198), (105, 385884), (108, 375165), (126, 321570), (135, 300132), (140, 289413), (162, 250110), (180, 225099), (189, 214380), (210, 192942), (243, 166740), (252, 160785), (270, 150066), (315, 128628), (324, 125055), (378, 107190), (397, 102060), (405, 100044), (420, 96471), (486, 83370), (540, 75033), (567, 71460), (630, 64314), (729, 55580), (756, 53595), (794, 51030), (810, 50022), (945, 42876), (972, 41685), (1134, 35730), (1191, 34020), (1215, 33348), (1260, 32157), (1458, 27790), (1588, 25515), (1620, 25011), (1701, 23820), (1890, 21438), (1985, 20412), (2268, 17865), (2382, 17010), (2430, 16674), (2779, 14580), (2835, 14292), (2916, 13895), (3402, 11910), (3573, 11340), (3645, 11116), (3780, 10719), (3970, 10206), (4764, 8505), (4860, 8337), (5103, 7940), (5558, 7290), (5670, 7146), (5955, 6804)]