204761520

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{3511}}^1$

素因数の和:3542

約数の個数: 140

約数和(自身を含む): 713982576

約数和(自身を除く): 509221056

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, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2916, 3240, 3511, 3645, 3888, 4860, 5832, 6480, 7022, 7290, 9720, 10533, 11664, 14044, 14580, 17555, 19440, 21066, 28088, 29160, 31599, 35110, 42132, 52665, 56176, 58320, 63198, 70220, 84264, 94797, 105330, 126396, 140440, 157995, 168528, 189594, 210660, 252792, 280880, 284391, 315990, 379188, 421320, 473985, 505584, 568782, 631980, 758376, 842640, 853173, 947970, 1137564, 1263960, 1421955, 1516752, 1706346, 1895940, 2275128, 2527920, 2559519, 2843910, 3412692, 3791880, 4265865, 4550256, 5119038, 5687820, 6825384, 7583760, 8531730, 10238076, 11375640, 12797595, 13650768, 17063460, 20476152, 22751280, 25595190, 34126920, 40952304, 51190380, 68253840, 102380760, 204761520]

約数ペア:

[(1, 204761520), (2, 102380760), (3, 68253840), (4, 51190380), (5, 40952304), (6, 34126920), (8, 25595190), (9, 22751280), (10, 20476152), (12, 17063460), (15, 13650768), (16, 12797595), (18, 11375640), (20, 10238076), (24, 8531730), (27, 7583760), (30, 6825384), (36, 5687820), (40, 5119038), (45, 4550256), (48, 4265865), (54, 3791880), (60, 3412692), (72, 2843910), (80, 2559519), (81, 2527920), (90, 2275128), (108, 1895940), (120, 1706346), (135, 1516752), (144, 1421955), (162, 1263960), (180, 1137564), (216, 947970), (240, 853173), (243, 842640), (270, 758376), (324, 631980), (360, 568782), (405, 505584), (432, 473985), (486, 421320), (540, 379188), (648, 315990), (720, 284391), (729, 280880), (810, 252792), (972, 210660), (1080, 189594), (1215, 168528), (1296, 157995), (1458, 140440), (1620, 126396), (1944, 105330), (2160, 94797), (2430, 84264), (2916, 70220), (3240, 63198), (3511, 58320), (3645, 56176), (3888, 52665), (4860, 42132), (5832, 35110), (6480, 31599), (7022, 29160), (7290, 28088), (9720, 21066), (10533, 19440), (11664, 17555), (14044, 14580)]