54191720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 143078400

約数和(自身を除く): 88886680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 31, 40, 44, 55, 58, 62, 88, 110, 116, 124, 137, 145, 155, 220, 232, 248, 274, 290, 310, 319, 341, 440, 548, 580, 620, 638, 682, 685, 899, 1096, 1160, 1240, 1276, 1364, 1370, 1507, 1595, 1705, 1798, 2552, 2728, 2740, 3014, 3190, 3410, 3596, 3973, 4247, 4495, 5480, 6028, 6380, 6820, 7192, 7535, 7946, 8494, 8990, 9889, 12056, 12760, 13640, 15070, 15892, 16988, 17980, 19778, 19865, 21235, 30140, 31784, 33976, 35960, 39556, 39730, 42470, 43703, 46717, 49445, 60280, 79112, 79460, 84940, 87406, 93434, 98890, 123163, 158920, 169880, 174812, 186868, 197780, 218515, 233585, 246326, 349624, 373736, 395560, 437030, 467170, 492652, 615815, 874060, 934340, 985304, 1231630, 1354793, 1748120, 1868680, 2463260, 2709586, 4926520, 5419172, 6773965, 10838344, 13547930, 27095860, 54191720]

約数ペア:

[(1, 54191720), (2, 27095860), (4, 13547930), (5, 10838344), (8, 6773965), (10, 5419172), (11, 4926520), (20, 2709586), (22, 2463260), (29, 1868680), (31, 1748120), (40, 1354793), (44, 1231630), (55, 985304), (58, 934340), (62, 874060), (88, 615815), (110, 492652), (116, 467170), (124, 437030), (137, 395560), (145, 373736), (155, 349624), (220, 246326), (232, 233585), (248, 218515), (274, 197780), (290, 186868), (310, 174812), (319, 169880), (341, 158920), (440, 123163), (548, 98890), (580, 93434), (620, 87406), (638, 84940), (682, 79460), (685, 79112), (899, 60280), (1096, 49445), (1160, 46717), (1240, 43703), (1276, 42470), (1364, 39730), (1370, 39556), (1507, 35960), (1595, 33976), (1705, 31784), (1798, 30140), (2552, 21235), (2728, 19865), (2740, 19778), (3014, 17980), (3190, 16988), (3410, 15892), (3596, 15070), (3973, 13640), (4247, 12760), (4495, 12056), (5480, 9889), (6028, 8990), (6380, 8494), (6820, 7946), (7192, 7535)]