81426150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:511

約数の個数: 144

約数和(自身を含む): 243734400

約数和(自身を除く): 162308250

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 31, 39, 45, 50, 62, 65, 75, 78, 90, 93, 117, 130, 150, 155, 186, 195, 225, 234, 279, 310, 325, 390, 403, 449, 450, 465, 558, 585, 650, 775, 806, 898, 930, 975, 1170, 1209, 1347, 1395, 1550, 1950, 2015, 2245, 2325, 2418, 2694, 2790, 2925, 3627, 4030, 4041, 4490, 4650, 5837, 5850, 6045, 6735, 6975, 7254, 8082, 10075, 11225, 11674, 12090, 13470, 13919, 13950, 17511, 18135, 20150, 20205, 22450, 27838, 29185, 30225, 33675, 35022, 36270, 40410, 41757, 52533, 58370, 60450, 67350, 69595, 83514, 87555, 90675, 101025, 105066, 125271, 139190, 145925, 175110, 180947, 181350, 202050, 208785, 250542, 262665, 291850, 347975, 361894, 417570, 437775, 525330, 542841, 626355, 695950, 875550, 904735, 1043925, 1085682, 1252710, 1313325, 1628523, 1809470, 2087850, 2626650, 2714205, 3131775, 3257046, 4523675, 5428410, 6263550, 8142615, 9047350, 13571025, 16285230, 27142050, 40713075, 81426150]

約数ペア:

[(1, 81426150), (2, 40713075), (3, 27142050), (5, 16285230), (6, 13571025), (9, 9047350), (10, 8142615), (13, 6263550), (15, 5428410), (18, 4523675), (25, 3257046), (26, 3131775), (30, 2714205), (31, 2626650), (39, 2087850), (45, 1809470), (50, 1628523), (62, 1313325), (65, 1252710), (75, 1085682), (78, 1043925), (90, 904735), (93, 875550), (117, 695950), (130, 626355), (150, 542841), (155, 525330), (186, 437775), (195, 417570), (225, 361894), (234, 347975), (279, 291850), (310, 262665), (325, 250542), (390, 208785), (403, 202050), (449, 181350), (450, 180947), (465, 175110), (558, 145925), (585, 139190), (650, 125271), (775, 105066), (806, 101025), (898, 90675), (930, 87555), (975, 83514), (1170, 69595), (1209, 67350), (1347, 60450), (1395, 58370), (1550, 52533), (1950, 41757), (2015, 40410), (2245, 36270), (2325, 35022), (2418, 33675), (2694, 30225), (2790, 29185), (2925, 27838), (3627, 22450), (4030, 20205), (4041, 20150), (4490, 18135), (4650, 17511), (5837, 13950), (5850, 13919), (6045, 13470), (6735, 12090), (6975, 11674), (7254, 11225), (8082, 10075)]