51188940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:380

約数の個数: 144

約数和(自身を含む): 171714816

約数和(自身を除く): 120525876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 103, 110, 132, 165, 180, 198, 206, 220, 251, 309, 330, 396, 412, 495, 502, 515, 618, 660, 753, 927, 990, 1004, 1030, 1133, 1236, 1255, 1506, 1545, 1854, 1980, 2060, 2259, 2266, 2510, 2761, 3012, 3090, 3399, 3708, 3765, 4518, 4532, 4635, 5020, 5522, 5665, 6180, 6798, 7530, 8283, 9036, 9270, 10197, 11044, 11295, 11330, 13596, 13805, 15060, 16566, 16995, 18540, 20394, 22590, 22660, 24849, 25853, 27610, 33132, 33990, 40788, 41415, 45180, 49698, 50985, 51706, 55220, 67980, 77559, 82830, 99396, 101970, 103412, 124245, 129265, 155118, 165660, 203940, 232677, 248490, 258530, 284383, 310236, 387795, 465354, 496980, 517060, 568766, 775590, 853149, 930708, 1137532, 1163385, 1421915, 1551180, 1706298, 2326770, 2559447, 2843830, 3412596, 4265745, 4653540, 5118894, 5687660, 8531490, 10237788, 12797235, 17062980, 25594470, 51188940]

約数ペア:

[(1, 51188940), (2, 25594470), (3, 17062980), (4, 12797235), (5, 10237788), (6, 8531490), (9, 5687660), (10, 5118894), (11, 4653540), (12, 4265745), (15, 3412596), (18, 2843830), (20, 2559447), (22, 2326770), (30, 1706298), (33, 1551180), (36, 1421915), (44, 1163385), (45, 1137532), (55, 930708), (60, 853149), (66, 775590), (90, 568766), (99, 517060), (103, 496980), (110, 465354), (132, 387795), (165, 310236), (180, 284383), (198, 258530), (206, 248490), (220, 232677), (251, 203940), (309, 165660), (330, 155118), (396, 129265), (412, 124245), (495, 103412), (502, 101970), (515, 99396), (618, 82830), (660, 77559), (753, 67980), (927, 55220), (990, 51706), (1004, 50985), (1030, 49698), (1133, 45180), (1236, 41415), (1255, 40788), (1506, 33990), (1545, 33132), (1854, 27610), (1980, 25853), (2060, 24849), (2259, 22660), (2266, 22590), (2510, 20394), (2761, 18540), (3012, 16995), (3090, 16566), (3399, 15060), (3708, 13805), (3765, 13596), (4518, 11330), (4532, 11295), (4635, 11044), (5020, 10197), (5522, 9270), (5665, 9036), (6180, 8283), (6798, 7530)]