81825240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3359}}^1$

素因数の和:3409

約数の個数: 128

約数和(自身を含む): 290304000

約数和(自身を除く): 208478760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1624, 1740, 2030, 2436, 3045, 3359, 3480, 4060, 4872, 6090, 6718, 8120, 10077, 12180, 13436, 16795, 20154, 23513, 24360, 26872, 33590, 40308, 47026, 50385, 67180, 70539, 80616, 94052, 97411, 100770, 117565, 134360, 141078, 188104, 194822, 201540, 235130, 282156, 292233, 352695, 389644, 403080, 470260, 487055, 564312, 584466, 681877, 705390, 779288, 940520, 974110, 1168932, 1363754, 1410780, 1461165, 1948220, 2045631, 2337864, 2727508, 2821560, 2922330, 3409385, 3896440, 4091262, 5455016, 5844660, 6818770, 8182524, 10228155, 11689320, 13637540, 16365048, 20456310, 27275080, 40912620, 81825240]

約数ペア:

[(1, 81825240), (2, 40912620), (3, 27275080), (4, 20456310), (5, 16365048), (6, 13637540), (7, 11689320), (8, 10228155), (10, 8182524), (12, 6818770), (14, 5844660), (15, 5455016), (20, 4091262), (21, 3896440), (24, 3409385), (28, 2922330), (29, 2821560), (30, 2727508), (35, 2337864), (40, 2045631), (42, 1948220), (56, 1461165), (58, 1410780), (60, 1363754), (70, 1168932), (84, 974110), (87, 940520), (105, 779288), (116, 705390), (120, 681877), (140, 584466), (145, 564312), (168, 487055), (174, 470260), (203, 403080), (210, 389644), (232, 352695), (280, 292233), (290, 282156), (348, 235130), (406, 201540), (420, 194822), (435, 188104), (580, 141078), (609, 134360), (696, 117565), (812, 100770), (840, 97411), (870, 94052), (1015, 80616), (1160, 70539), (1218, 67180), (1624, 50385), (1740, 47026), (2030, 40308), (2436, 33590), (3045, 26872), (3359, 24360), (3480, 23513), (4060, 20154), (4872, 16795), (6090, 13436), (6718, 12180), (8120, 10077)]