405275760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1447}}^1$

素因数の和:1855

約数の個数: 120

約数和(自身を含む): 1365492960

約数和(自身を除く): 960217200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 389, 720, 778, 1167, 1447, 1556, 1945, 2334, 2894, 3112, 3501, 3890, 4341, 4668, 5788, 5835, 6224, 7002, 7235, 7780, 8682, 9336, 11576, 11670, 13023, 14004, 14470, 15560, 17364, 17505, 18672, 21705, 23152, 23340, 26046, 28008, 28940, 31120, 34728, 35010, 43410, 46680, 52092, 56016, 57880, 65115, 69456, 70020, 86820, 93360, 104184, 115760, 130230, 140040, 173640, 208368, 260460, 280080, 347280, 520920, 562883, 1041840, 1125766, 1688649, 2251532, 2814415, 3377298, 4503064, 5065947, 5628830, 6754596, 8443245, 9006128, 10131894, 11257660, 13509192, 16886490, 20263788, 22515320, 25329735, 27018384, 33772980, 40527576, 45030640, 50659470, 67545960, 81055152, 101318940, 135091920, 202637880, 405275760]

約数ペア:

[(1, 405275760), (2, 202637880), (3, 135091920), (4, 101318940), (5, 81055152), (6, 67545960), (8, 50659470), (9, 45030640), (10, 40527576), (12, 33772980), (15, 27018384), (16, 25329735), (18, 22515320), (20, 20263788), (24, 16886490), (30, 13509192), (36, 11257660), (40, 10131894), (45, 9006128), (48, 8443245), (60, 6754596), (72, 5628830), (80, 5065947), (90, 4503064), (120, 3377298), (144, 2814415), (180, 2251532), (240, 1688649), (360, 1125766), (389, 1041840), (720, 562883), (778, 520920), (1167, 347280), (1447, 280080), (1556, 260460), (1945, 208368), (2334, 173640), (2894, 140040), (3112, 130230), (3501, 115760), (3890, 104184), (4341, 93360), (4668, 86820), (5788, 70020), (5835, 69456), (6224, 65115), (7002, 57880), (7235, 56016), (7780, 52092), (8682, 46680), (9336, 43410), (11576, 35010), (11670, 34728), (13023, 31120), (14004, 28940), (14470, 28008), (15560, 26046), (17364, 23340), (17505, 23152), (18672, 21705)]