123456180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 363896064

約数和(自身を除く): 240439884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 137, 138, 230, 274, 276, 345, 411, 460, 548, 653, 685, 690, 822, 1306, 1370, 1380, 1644, 1959, 2055, 2612, 2740, 3151, 3265, 3918, 4110, 6302, 6530, 7836, 8220, 9453, 9795, 12604, 13060, 15019, 15755, 18906, 19590, 30038, 31510, 37812, 39180, 45057, 47265, 60076, 63020, 75095, 89461, 90114, 94530, 150190, 178922, 180228, 189060, 225285, 268383, 300380, 357844, 447305, 450570, 536766, 894610, 901140, 1073532, 1341915, 1789220, 2057603, 2683830, 4115206, 5367660, 6172809, 8230412, 10288015, 12345618, 20576030, 24691236, 30864045, 41152060, 61728090, 123456180]

約数ペア:

[(1, 123456180), (2, 61728090), (3, 41152060), (4, 30864045), (5, 24691236), (6, 20576030), (10, 12345618), (12, 10288015), (15, 8230412), (20, 6172809), (23, 5367660), (30, 4115206), (46, 2683830), (60, 2057603), (69, 1789220), (92, 1341915), (115, 1073532), (137, 901140), (138, 894610), (230, 536766), (274, 450570), (276, 447305), (345, 357844), (411, 300380), (460, 268383), (548, 225285), (653, 189060), (685, 180228), (690, 178922), (822, 150190), (1306, 94530), (1370, 90114), (1380, 89461), (1644, 75095), (1959, 63020), (2055, 60076), (2612, 47265), (2740, 45057), (3151, 39180), (3265, 37812), (3918, 31510), (4110, 30038), (6302, 19590), (6530, 18906), (7836, 15755), (8220, 15019), (9453, 13060), (9795, 12604)]