18295920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25411}}^1$

素因数の和:25430

約数の個数: 60

約数和(自身を含む): 61446216

約数和(自身を除く): 43150296

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, 720, 25411, 50822, 76233, 101644, 127055, 152466, 203288, 228699, 254110, 304932, 381165, 406576, 457398, 508220, 609864, 762330, 914796, 1016440, 1143495, 1219728, 1524660, 1829592, 2032880, 2286990, 3049320, 3659184, 4573980, 6098640, 9147960, 18295920]

約数ペア:

[(1, 18295920), (2, 9147960), (3, 6098640), (4, 4573980), (5, 3659184), (6, 3049320), (8, 2286990), (9, 2032880), (10, 1829592), (12, 1524660), (15, 1219728), (16, 1143495), (18, 1016440), (20, 914796), (24, 762330), (30, 609864), (36, 508220), (40, 457398), (45, 406576), (48, 381165), (60, 304932), (72, 254110), (80, 228699), (90, 203288), (120, 152466), (144, 127055), (180, 101644), (240, 76233), (360, 50822), (720, 25411)]