172731780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{761}}^1$

素因数の和:886

約数の個数: 144

約数和(自身を含む): 570823344

約数和(自身を除く): 398091564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 97, 117, 130, 156, 180, 194, 195, 234, 260, 291, 388, 390, 468, 485, 582, 585, 761, 780, 873, 970, 1164, 1170, 1261, 1455, 1522, 1746, 1940, 2283, 2340, 2522, 2910, 3044, 3492, 3783, 3805, 4365, 4566, 5044, 5820, 6305, 6849, 7566, 7610, 8730, 9132, 9893, 11349, 11415, 12610, 13698, 15132, 15220, 17460, 18915, 19786, 22698, 22830, 25220, 27396, 29679, 34245, 37830, 39572, 45396, 45660, 49465, 56745, 59358, 68490, 73817, 75660, 89037, 98930, 113490, 118716, 136980, 147634, 148395, 178074, 197860, 221451, 226980, 295268, 296790, 356148, 369085, 442902, 445185, 593580, 664353, 738170, 885804, 890370, 959621, 1107255, 1328706, 1476340, 1780740, 1919242, 2214510, 2657412, 2878863, 3321765, 3838484, 4429020, 4798105, 5757726, 6643530, 8636589, 9596210, 11515452, 13287060, 14394315, 17273178, 19192420, 28788630, 34546356, 43182945, 57577260, 86365890, 172731780]

約数ペア:

[(1, 172731780), (2, 86365890), (3, 57577260), (4, 43182945), (5, 34546356), (6, 28788630), (9, 19192420), (10, 17273178), (12, 14394315), (13, 13287060), (15, 11515452), (18, 9596210), (20, 8636589), (26, 6643530), (30, 5757726), (36, 4798105), (39, 4429020), (45, 3838484), (52, 3321765), (60, 2878863), (65, 2657412), (78, 2214510), (90, 1919242), (97, 1780740), (117, 1476340), (130, 1328706), (156, 1107255), (180, 959621), (194, 890370), (195, 885804), (234, 738170), (260, 664353), (291, 593580), (388, 445185), (390, 442902), (468, 369085), (485, 356148), (582, 296790), (585, 295268), (761, 226980), (780, 221451), (873, 197860), (970, 178074), (1164, 148395), (1170, 147634), (1261, 136980), (1455, 118716), (1522, 113490), (1746, 98930), (1940, 89037), (2283, 75660), (2340, 73817), (2522, 68490), (2910, 59358), (3044, 56745), (3492, 49465), (3783, 45660), (3805, 45396), (4365, 39572), (4566, 37830), (5044, 34245), (5820, 29679), (6305, 27396), (6849, 25220), (7566, 22830), (7610, 22698), (8730, 19786), (9132, 18915), (9893, 17460), (11349, 15220), (11415, 15132), (12610, 13698)]