51364980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:710

約数の個数: 144

約数和(自身を含む): 171400320

約数和(自身を除く): 120035340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 653, 684, 690, 828, 855, 874, 1035, 1140, 1306, 1311, 1380, 1710, 1748, 1959, 2070, 2185, 2612, 2622, 3265, 3420, 3918, 3933, 4140, 4370, 5244, 5877, 6530, 6555, 7836, 7866, 8740, 9795, 11754, 12407, 13060, 13110, 15019, 15732, 19590, 19665, 23508, 24814, 26220, 29385, 30038, 37221, 39180, 39330, 45057, 49628, 58770, 60076, 62035, 74442, 75095, 78660, 90114, 111663, 117540, 124070, 135171, 148884, 150190, 180228, 186105, 223326, 225285, 248140, 270342, 285361, 300380, 372210, 446652, 450570, 540684, 558315, 570722, 675855, 744420, 856083, 901140, 1116630, 1141444, 1351710, 1426805, 1712166, 2233260, 2568249, 2703420, 2853610, 3424332, 4280415, 5136498, 5707220, 8560830, 10272996, 12841245, 17121660, 25682490, 51364980]

約数ペア:

[(1, 51364980), (2, 25682490), (3, 17121660), (4, 12841245), (5, 10272996), (6, 8560830), (9, 5707220), (10, 5136498), (12, 4280415), (15, 3424332), (18, 2853610), (19, 2703420), (20, 2568249), (23, 2233260), (30, 1712166), (36, 1426805), (38, 1351710), (45, 1141444), (46, 1116630), (57, 901140), (60, 856083), (69, 744420), (76, 675855), (90, 570722), (92, 558315), (95, 540684), (114, 450570), (115, 446652), (138, 372210), (171, 300380), (180, 285361), (190, 270342), (207, 248140), (228, 225285), (230, 223326), (276, 186105), (285, 180228), (342, 150190), (345, 148884), (380, 135171), (414, 124070), (437, 117540), (460, 111663), (570, 90114), (653, 78660), (684, 75095), (690, 74442), (828, 62035), (855, 60076), (874, 58770), (1035, 49628), (1140, 45057), (1306, 39330), (1311, 39180), (1380, 37221), (1710, 30038), (1748, 29385), (1959, 26220), (2070, 24814), (2185, 23508), (2612, 19665), (2622, 19590), (3265, 15732), (3420, 15019), (3918, 13110), (3933, 13060), (4140, 12407), (4370, 11754), (5244, 9795), (5877, 8740), (6530, 7866), (6555, 7836)]