21167280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29399}}^1$

素因数の和:29418

約数の個数: 60

約数和(自身を含む): 71089200

約数和(自身を除く): 49921920

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, 29399, 58798, 88197, 117596, 146995, 176394, 235192, 264591, 293990, 352788, 440985, 470384, 529182, 587980, 705576, 881970, 1058364, 1175960, 1322955, 1411152, 1763940, 2116728, 2351920, 2645910, 3527880, 4233456, 5291820, 7055760, 10583640, 21167280]

約数ペア:

[(1, 21167280), (2, 10583640), (3, 7055760), (4, 5291820), (5, 4233456), (6, 3527880), (8, 2645910), (9, 2351920), (10, 2116728), (12, 1763940), (15, 1411152), (16, 1322955), (18, 1175960), (20, 1058364), (24, 881970), (30, 705576), (36, 587980), (40, 529182), (45, 470384), (48, 440985), (60, 352788), (72, 293990), (80, 264591), (90, 235192), (120, 176394), (144, 146995), (180, 117596), (240, 88197), (360, 58798), (720, 29399)]