401321520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{185797}}^1$

素因数の和:185819

約数の個数: 80

約数和(自身を含む): 1382337120

約数和(自身を除く): 981015600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 185797, 371594, 557391, 743188, 928985, 1114782, 1486376, 1672173, 1857970, 2229564, 2786955, 2972752, 3344346, 3715940, 4459128, 5016519, 5573910, 6688692, 7431880, 8360865, 8918256, 10033038, 11147820, 13377384, 14863760, 16721730, 20066076, 22295640, 25082595, 26754768, 33443460, 40132152, 44591280, 50165190, 66886920, 80264304, 100330380, 133773840, 200660760, 401321520]

約数ペア:

[(1, 401321520), (2, 200660760), (3, 133773840), (4, 100330380), (5, 80264304), (6, 66886920), (8, 50165190), (9, 44591280), (10, 40132152), (12, 33443460), (15, 26754768), (16, 25082595), (18, 22295640), (20, 20066076), (24, 16721730), (27, 14863760), (30, 13377384), (36, 11147820), (40, 10033038), (45, 8918256), (48, 8360865), (54, 7431880), (60, 6688692), (72, 5573910), (80, 5016519), (90, 4459128), (108, 3715940), (120, 3344346), (135, 2972752), (144, 2786955), (180, 2229564), (216, 1857970), (240, 1672173), (270, 1486376), (360, 1114782), (432, 928985), (540, 743188), (720, 557391), (1080, 371594), (2160, 185797)]