19870920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6133}}^1$

素因数の和:6156

約数の個数: 80

約数和(自身を含む): 66799260

約数和(自身を除く): 46928340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6133, 12266, 18399, 24532, 30665, 36798, 49064, 55197, 61330, 73596, 91995, 110394, 122660, 147192, 165591, 183990, 220788, 245320, 275985, 331182, 367980, 441576, 496773, 551970, 662364, 735960, 827955, 993546, 1103940, 1324728, 1655910, 1987092, 2207880, 2483865, 3311820, 3974184, 4967730, 6623640, 9935460, 19870920]

約数ペア:

[(1, 19870920), (2, 9935460), (3, 6623640), (4, 4967730), (5, 3974184), (6, 3311820), (8, 2483865), (9, 2207880), (10, 1987092), (12, 1655910), (15, 1324728), (18, 1103940), (20, 993546), (24, 827955), (27, 735960), (30, 662364), (36, 551970), (40, 496773), (45, 441576), (54, 367980), (60, 331182), (72, 275985), (81, 245320), (90, 220788), (108, 183990), (120, 165591), (135, 147192), (162, 122660), (180, 110394), (216, 91995), (270, 73596), (324, 61330), (360, 55197), (405, 49064), (540, 36798), (648, 30665), (810, 24532), (1080, 18399), (1620, 12266), (3240, 6133)]